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www.edx.org Open in urlscan Pro
2606:4700::6810:a5e4  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: https://link.edx.org/click/19701388.2649758/aHR0cHM6Ly93d3cuZWR4Lm9yZy9jb3Vyc2U_cHJvZ3JhbT1hbGwmdXRtX3NvdXJjZT1zYWlsd...
Effective URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Submission: On April 01 via api from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 34 IPs in 5 countries across 31 domains to perform 77 HTTP transactions. The main IP is 2606:4700::6810:a5e4, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.edx.org.
TLS certificate: Issued by Gandi Standard SSL CA 2 on April 2nd 2018. Valid for: 2 years.
This is the only time www.edx.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
1 20 2606:4700::68... 13335 (CLOUDFLAR...)
1 2a02:26f0:6c0... 20940 (AKAMAI-ASN1)
1 143.204.99.83 16509 (AMAZON-02)
1 13.225.73.5 16509 (AMAZON-02)
2 2a00:1450:400... 15169 (GOOGLE)
9 2a00:1450:400... 15169 (GOOGLE)
1 2600:9000:20e... 16509 (AMAZON-02)
2 54.218.116.118 16509 (AMAZON-02)
3 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 13.225.73.40 16509 (AMAZON-02)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
2 2600:9000:215... 16509 (AMAZON-02)
2 162.208.117.47 11403 (NYINTERNET)
2 34.227.153.53 14618 (AMAZON-AES)
1 151.101.114.110 54113 (FASTLY)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
2 162.208.117.45 11403 (NYINTERNET)
5 2606:4700::68... 13335 (CLOUDFLAR...)
1 2600:9000:21f... 16509 (AMAZON-02)
2 2a03:2880:f01... 32934 (FACEBOOK)
1 162.247.242.18 23467 (NEWRELIC-...)
2 2a03:2880:f11... 32934 (FACEBOOK)
1 2a02:26f0:eb:... 20940 (AKAMAI-ASN1)
1 1 2a00:1450:400... 15169 (GOOGLE)
1 2 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
2 2a02:6ea0:c71... 60068 (CDN77)
1 2 2a05:f500:10:... 14413 (LINKEDIN)
1 1 2a05:f500:11:... 14413 (LINKEDIN)
1 172.217.18.98 15169 (GOOGLE)
1 2a00:f48:2000... 47447 (TTM)
1 2a00:1450:400... 15169 (GOOGLE)
77 34
20    2606:4700::6810:a5e4 (United States)

ASN13335 (CLOUDFLARENET, US)
link.edx.org
www.edx.org
1    2a02:26f0:6c00:183::13b8 (Ascension Island)

ASN20940 (AKAMAI-ASN1, US)
cdn.optimizely.com
1    143.204.99.83 (Seattle, United States)

ASN16509 (AMAZON-02, US)
PTR: server-143-204-99-83.fra50.r.cloudfront.net
cdn.segment.com
1    13.225.73.5 (Seattle, United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-225-73-5.fra2.r.cloudfront.net
cdn.branch.io
2    2a00:1450:4001:821::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
9    2a00:1450:4001:814::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
1    2600:9000:20eb:6600:19:9934:6a80:93a1 (United States)

ASN16509 (AMAZON-02, US)
app.link
2    54.218.116.118 (Boardman, United States)

ASN16509 (AMAZON-02, US)
PTR: ec2-54-218-116-118.us-west-2.compute.amazonaws.com
api.segment.io
3    2a00:1450:4001:81c::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
2    2a00:1450:4001:81d::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
1    2606:4700::6811:d6cc (United States)

ASN13335 (CLOUDFLARENET, US)
js.hs-scripts.com
1    13.225.73.40 (Seattle, United States)

ASN16509 (AMAZON-02, US)
PTR: server-13-225-73-40.fra2.r.cloudfront.net
ak.sail-horizon.com
1    2606:4700::6811:43b0 (United States)

ASN13335 (CLOUDFLARENET, US)
js.hs-analytics.net
1    2606:4700::6811:72b0 (United States)

ASN13335 (CLOUDFLARENET, US)
js.hsadspixel.net
2    2600:9000:2156:b000:11:f728:3040:93a1 (United States)

ASN16509 (AMAZON-02, US)
api2.branch.io
2    162.208.117.47 (New York, United States)

ASN11403 (NYINTERNET, US)
PTR: 162.208.117.47.static.nyinternet.net
api.sail-track.com
2    34.227.153.53 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-34-227-153-53.compute-1.amazonaws.com
errors.client.optimizely.com
1    151.101.114.110 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)
js-agent.newrelic.com
1    2606:4700::6811:c9cc (United States)

ASN13335 (CLOUDFLARENET, US)
api.hubapi.com
1    2606:4700::6810:fa05 (United States)

ASN13335 (CLOUDFLARENET, US)
track.hubspot.com
2    162.208.117.45 (New York, United States)

ASN11403 (NYINTERNET, US)
PTR: 162.208.117.45.static.nyinternet.net
api.sail-personalize.com
5    2606:4700::6810:ef48 (United States)

ASN13335 (CLOUDFLARENET, US)
prod-edx-edxapp-assets.edx-cdn.org
1    2600:9000:21f3:ee00:f:8ce2:fb80:93a1 (United States)

ASN16509 (AMAZON-02, US)
www.dwin1.com
2    2a03:2880:f01c:8012:face:b00c:0:3 (Ireland)

ASN32934 (FACEBOOK, US)
connect.facebook.net
1    162.247.242.18 (San Francisco, United States)

ASN23467 (NEWRELIC-AS-1, US)
PTR: bam-6.nr-data.net
bam.nr-data.net
2    2a03:2880:f11c:8183:face:b00c:0:25de (Ireland)

ASN32934 (FACEBOOK, US)
www.facebook.com
1    2a02:26f0:eb:3b4::25ea (Ascension Island)

ASN20940 (AKAMAI-ASN1, US)
snap.licdn.com
1    2a00:1450:400c:c04::9b (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
2    2a00:1450:4001:808::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
2    2a00:1450:4001:825::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.de
2    2a02:6ea0:c710::2 (Germany)

ASN60068 (CDN77, GB)
cl.qualaroo.com
2    2a05:f500:10:101::b93f:9105 (Ireland)

ASN14413 (LINKEDIN, US)
px.ads.linkedin.com
1    2a05:f500:11:101::b93f:9001 (Ireland)

ASN14413 (LINKEDIN, US)
www.linkedin.com
1    172.217.18.98 (United States)

ASN15169 (GOOGLE, US)
PTR: zrh04s05-in-f98.1e100.net
www.googleadservices.com
1    2a00:f48:2000:1023::3 (Germany)

ASN47447 (TTM, DE)
dntcl.qualaroo.com
1    2a00:1450:4001:809::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
googleads.g.doubleclick.net
Domain Requested by
19 www.edx.org www.edx.org
9 fonts.gstatic.com www.edx.org
5 prod-edx-edxapp-assets.edx-cdn.org www.edx.org
3 www.google-analytics.com cdn.segment.com
www.google-analytics.com
2 px.ads.linkedin.com 1 redirects
2 cl.qualaroo.com cdn.segment.com
cl.qualaroo.com
2 www.google.de
2 www.google.com 1 redirects
2 www.facebook.com
2 connect.facebook.net www.edx.org
connect.facebook.net
2 api.sail-personalize.com www.edx.org
2 errors.client.optimizely.com www.edx.org
2 api.sail-track.com www.edx.org
2 api2.branch.io www.edx.org
2 www.googletagmanager.com cdn.segment.com
js.hsadspixel.net
2 api.segment.io www.edx.org
2 fonts.googleapis.com www.edx.org
1 googleads.g.doubleclick.net www.googleadservices.com
1 dntcl.qualaroo.com cl.qualaroo.com
1 www.googleadservices.com www.googletagmanager.com
1 www.linkedin.com 1 redirects
1 stats.g.doubleclick.net 1 redirects
1 snap.licdn.com js.hsadspixel.net
1 bam.nr-data.net js-agent.newrelic.com
1 www.dwin1.com www.googletagmanager.com
1 track.hubspot.com
1 api.hubapi.com www.edx.org
1 js-agent.newrelic.com www.edx.org
1 js.hsadspixel.net js.hs-scripts.com
1 js.hs-analytics.net js.hs-scripts.com
1 ak.sail-horizon.com www.googletagmanager.com
1 js.hs-scripts.com www.googletagmanager.com
1 app.link cdn.branch.io
1 cdn.branch.io www.edx.org
1 cdn.segment.com www.edx.org
1 cdn.optimizely.com www.edx.org
1 link.edx.org 1 redirects
77 37
Subject Issuer Validity Valid
*.edx.org
Gandi Standard SSL CA 2		 2018-04-02 -
2020-05-06		 2 years crt.sh
cdn.optimizely.com
DigiCert SHA2 Secure Server CA		 2020-01-20 -
2021-03-20		 a year crt.sh
*.segment.com
DigiCert SHA2 Secure Server CA		 2019-06-24 -
2020-07-01		 a year crt.sh
*.branch.io
DigiCert SHA2 Secure Server CA		 2018-12-05 -
2020-12-08		 2 years crt.sh
*.storage.googleapis.com
GTS CA 1O1		 2020-03-03 -
2020-05-26		 3 months crt.sh
*.google.com
GTS CA 1O1		 2020-03-03 -
2020-05-26		 3 months crt.sh
appipv4.link
Amazon		 2019-08-19 -
2020-09-19		 a year crt.sh
*.google-analytics.com
GTS CA 1O1		 2020-03-03 -
2020-05-26		 3 months crt.sh
ssl817718.cloudflaressl.com
COMODO ECC Domain Validation Secure Server CA 2		 2020-01-21 -
2020-07-29		 6 months crt.sh
ak.sail-horizon.com
Amazon		 2020-02-07 -
2021-03-07		 a year crt.sh
ssl803670.cloudflaressl.com
COMODO ECC Domain Validation Secure Server CA 2		 2019-11-06 -
2020-05-14		 6 months crt.sh
ssl803643.cloudflaressl.com
COMODO ECC Domain Validation Secure Server CA 2		 2019-11-06 -
2020-05-14		 6 months crt.sh
api.sail-track.com
Gandi Standard SSL CA 2		 2018-06-27 -
2020-07-29		 2 years crt.sh
errors.client.optimizely.com
DigiCert SHA2 High Assurance Server CA		 2018-09-24 -
2020-09-28		 2 years crt.sh
f4.shared.global.fastly.net
GlobalSign CloudSSL CA - SHA256 - G3		 2020-03-26 -
2021-03-18		 a year crt.sh
hubapi.com
CloudFlare Inc ECC CA-2		 2020-01-21 -
2020-10-09		 9 months crt.sh
hubspot.com
CloudFlare Inc ECC CA-2		 2019-12-04 -
2020-10-09		 10 months crt.sh
api.sail-personalize.com
Gandi Standard SSL CA 2		 2018-06-27 -
2020-07-29		 2 years crt.sh
ssl432046.cloudflaressl.com
COMODO ECC Domain Validation Secure Server CA 2		 2019-11-07 -
2020-05-15		 6 months crt.sh
*.dwin1.com
Amazon		 2020-01-01 -
2021-02-01		 a year crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA		 2020-03-01 -
2020-05-30		 3 months crt.sh
*.nr-data.net
DigiCert SHA2 Secure Server CA		 2020-02-05 -
2022-02-08		 2 years crt.sh
*.licdn.com
DigiCert SHA2 Secure Server CA		 2019-04-01 -
2021-05-07		 2 years crt.sh
www.google.de
GTS CA 1O1		 2020-03-03 -
2020-05-26		 3 months crt.sh
cl.qualaroo.com
Let's Encrypt Authority X3		 2020-03-16 -
2020-06-14		 3 months crt.sh
px.ads.linkedin.com
DigiCert SHA2 Secure Server CA		 2020-03-04 -
2020-09-04		 6 months crt.sh
www.googleadservices.com
GTS CA 1O1		 2020-03-03 -
2020-05-26		 3 months crt.sh
dntcl.qualaroo.com
Let's Encrypt Authority X3		 2020-03-25 -
2020-06-23		 3 months crt.sh
*.g.doubleclick.net
GTS CA 1O1		 2020-03-03 -
2020-05-26		 3 months crt.sh
www.google.com
GTS CA 1O1		 2020-03-03 -
2020-05-26		 3 months crt.sh

This page contains 2 frames:

Primary Page: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Frame ID: 559535438A5DEFC2A899D9AFF260484D
Requests: 76 HTTP requests in this frame

Frame: https://dntcl.qualaroo.com/frame.html
Frame ID: AB73547D899EA41AA12043E5A58F508D
Requests: 1 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page URL History Show full URLs

  1. https://link.edx.org/click/19701388.2649758/aHR0cHM6Ly93d3cuZWR4Lm9yZy9jb3Vyc2U_cHJvZ3JhbT1hbGwmd... HTTP 302
    https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantle... Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • meta generator /^Drupal(?:\s([\d.]+))?/i
  • headers expires /19 Nov 1978/i
Overall confidence: 100%
Detected patterns
  • meta generator /^Drupal(?:\s([\d.]+))?/i
  • headers expires /19 Nov 1978/i
Overall confidence: 100%
Detected patterns
  • headers via /varnish(?: \(Varnish\/([\d.]+)\))?/i
Overall confidence: 100%
Detected patterns
  • headers server /^cloudflare$/i
Overall confidence: 100%
Detected patterns
  • script /\/\/connect\.facebook\.net\/[^/]*\/[a-z]*\.js/i
Overall confidence: 100%
Detected patterns
  • script /google-analytics\.com\/(?:ga|urchin|analytics)\.js/i
Overall confidence: 100%
Detected patterns
  • script /optimizely\.com.*\.js/i
Overall confidence: 100%
Detected patterns
  • script /cdn\.segment\.com\/analytics\.js/i

Page Statistics

77
Requests

100 %
HTTPS

72 %
IPv6

31
Domains

37
Subdomains

34
IPs

5
Countries

1338 kB
Transfer

4340 kB
Size

15
Cookies

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

  1. https://link.edx.org/click/19701388.2649758/aHR0cHM6Ly93d3cuZWR4Lm9yZy9jb3Vyc2U_cHJvZ3JhbT1hbGwmdXRtX3NvdXJjZT1zYWlsdGhydSZ1dG1fbWVkaXVtPWVtYWlsJnV0bV9jYW1wYWlnbj1hbmFudGxldHRlcl9jb3ZpZDE5/588fc3b856cf608a7d8b56baC54c7c34f HTTP 302
    https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 62
  • https://stats.g.doubleclick.net/r/collect?t=dc&aip=1&_r=3&v=1&_v=j81&tid=UA-35248639-2&cid=1195805070.1585780258&jid=1219721804&gjid=11032729&_gid=1669315704.1585780258&_u=aGBAgAAj~&z=722172614 HTTP 302
  • https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=1195805070.1585780258&jid=1219721804&_v=j81&z=722172614 HTTP 302
  • https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=1195805070.1585780258&jid=1219721804&_v=j81&z=722172614&slf_rd=1&random=56348592
Request Chain 65
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=533266&url=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&time=1585780258639 HTTP 302
  • https://www.linkedin.com/px/li_sync?redirect=https%3A%2F%2Fpx.ads.linkedin.com%2Fcollect%3Fv%3D2%26fmt%3Djs%26pid%3D533266%26url%3Dhttps%253A%252F%252Fwww.edx.org%252Fcourse%253Fprogram%253Dall%2526utm_source%253Dsailthru%2526utm_medium%253Demail%2526utm_campaign%253Danantletter_covid19%26time%3D1585780258639%26liSync%3Dtrue HTTP 302
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=533266&url=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&time=1585780258639&liSync=true

77 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request course
www.edx.org/
Redirect Chain
  • https://link.edx.org/click/19701388.2649758/aHR0cHM6Ly93d3cuZWR4Lm9yZy9jb3Vyc2U_cHJvZ3JhbT1hbGwmdXRtX3NvdXJjZT1zYWlsdGhydSZ1dG1fbWVkaXVtPWVtYWlsJnV0bV9jYW1wYWlnbj1hbmFudGxldHRlcl9jb3ZpZDE5/588fc3b8...
  • https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
17 KB
6 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
bd8a43db2296f3c0c24802f6823a8b426f25d8a514198ae33497e9d3d7ac8c67
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff
X-Frame-Options SameOrigin

Request headers

:method
GET
:authority
www.edx.org
:scheme
https
:path
/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
sec-fetch-dest
document
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
accept-encoding
gzip, deflate, br
accept-language
en-US
cookie
__cfduid=d3d7158ae232616217e1e36f67c9fa1531585780257; sailthru_hid=3f16d2adc1346834f0583f187c23f998588fc3b856cf608a7d8b56ba741468b3273af46bbcae38db6630e878; sailthru_bid=19701388.2649758
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
document

Response headers

status
200
date
Wed, 01 Apr 2020 22:30:57 GMT
content-type
text/html; charset=utf-8
content-length
5788
cf-ray
57d5c1f1684a1f4d-FRA
accept-ranges
bytes
cache-control
s-maxage=300, max-age=0, must-revalidate
content-encoding
gzip
content-language
en
etag
"1585779982-1"
expires
Sun, 19 Nov 1978 05:00:00 GMT
last-modified
Wed, 01 Apr 2020 22:26:22 GMT
set-cookie
prod-edx-cf-loc=DE; Path=/; Expires=Thu, 01 Apr 2021 22:30:57 GMT
strict-transport-security
max-age=2592000
vary
X-Accept-Language,Accept-Encoding
via
varnish
cf-cache-status
MISS
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
x-ah-environment
prod
x-cache
HIT
x-cache-hits
16
x-content-type-options
nosniff
x-drupal-cache
MISS
x-frame-options
SameOrigin
x-generator
Drupal 7 (http://drupal.org)
x-request-id
v-d0d80160-7467-11ea-8596-8b2a8abed9d5
server
cloudflare

Redirect headers

status
302
date
Wed, 01 Apr 2020 22:30:57 GMT
content-type
text/html; charset=UTF-8
content-length
0
set-cookie
__cfduid=d3d7158ae232616217e1e36f67c9fa1531585780257; expires=Fri, 01-May-20 22:30:57 GMT; path=/; domain=.edx.org; HttpOnly; SameSite=Lax sailthru_hid=3f16d2adc1346834f0583f187c23f998588fc3b856cf608a7d8b56ba741468b3273af46bbcae38db6630e878; expires=Fri, 02-Apr-2021 04:19:43 GMT; Max-Age=31556926; path=/; domain=edx.org sailthru_bid=19701388.2649758; expires=Fri, 01-May-2020 22:30:57 GMT; Max-Age=2592000; path=/; domain=edx.org
location
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
cf-cache-status
DYNAMIC
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
server
cloudflare
cf-ray
57d5c1eeeb271f4d-FRA
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
www.edx.org/sites/default/files/css/ 		7 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/default/files/css/css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
c44fab5ab25ff9f9dc07aced65f77686ec6a831bb858efaac266ba5deaf7d26e
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

date
Wed, 01 Apr 2020 22:30:57 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4868
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
2217
x-request-id
v-25e9d7d0-5dfe-11ea-8a63-5fb01245f6b7
last-modified
Tue, 25 Feb 2020 15:42:31 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
text/css
via
varnish
expires
Fri, 03 Apr 2020 09:54:32 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f44eb81f4d-FRA
x-cache-hits
7406
css_mktzIRd5CRE-97qJhrh-LyZqgbhTe9MZCqn-bCpDQ_g.css
www.edx.org/sites/default/files/css/ 		6 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/default/files/css/css_mktzIRd5CRE-97qJhrh-LyZqgbhTe9MZCqn-bCpDQ_g.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9a4b7321177909113ef7ba8986b87e2f266a81b8537bd3190aa9fe6c2a4343f8
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

date
Wed, 01 Apr 2020 22:30:57 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4868
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
1660
x-request-id
v-25eaeac6-5dfe-11ea-a6e4-ffdfaeea2814
last-modified
Tue, 25 Feb 2020 15:42:31 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
text/css
via
varnish
expires
Fri, 03 Apr 2020 09:54:32 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f44ebb1f4d-FRA
x-cache-hits
7312
css_WD8LJdOYciLy4PWb_VmegJGpBytNrcUzgAzkZ1Nww9k.css
www.edx.org/sites/default/files/css/ 		457 KB
70 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/default/files/css/css_WD8LJdOYciLy4PWb_VmegJGpBytNrcUzgAzkZ1Nww9k.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
583f0b25d3987222f2e0f59bfd599e8091a9072b4dadc533800ce4675370c3d9
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

date
Wed, 01 Apr 2020 22:30:57 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4870
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
70948
x-request-id
v-1c143d58-694e-11ea-8a7a-3714276b1ad9
last-modified
Wed, 18 Mar 2020 19:24:38 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
text/css
via
varnish
expires
Fri, 17 Apr 2020 19:24:38 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f44ec01f4d-FRA
x-cache-hits
4537
css_vCUzQp3N37rfxD4aTUoEEwapKD-KAd7YlMV9XmochIo.css
www.edx.org/sites/default/files/css/ 		925 B
500 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/default/files/css/css_vCUzQp3N37rfxD4aTUoEEwapKD-KAd7YlMV9XmochIo.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
bc2533429dcddfbadfc43e1a4d4a041306a9283f8a01ded894c57d5e6a1c848a
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

date
Wed, 01 Apr 2020 22:30:57 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4868
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
355
x-request-id
v-2629a9fa-5dfe-11ea-8a80-5f545bf0fd33
last-modified
Tue, 25 Feb 2020 15:42:31 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
text/css
via
varnish
expires
Fri, 03 Apr 2020 09:54:33 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f44ec11f4d-FRA
x-cache-hits
7326
js_BS7lvIetxt5p0fnn8_eCWnMeaRrDtMr6wniCIIuVxSw.js
www.edx.org/sites/default/files/js/ 		114 KB
40 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/default/files/js/js_BS7lvIetxt5p0fnn8_eCWnMeaRrDtMr6wniCIIuVxSw.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
052ee5bc87adc6de69d1f9e7f3f7825a731e691ac3b4cafac27882208b95c52c
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:57 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4870
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
40954
x-request-id
v-4090271e-5dff-11ea-8bbd-57f2f4518b55
last-modified
Thu, 13 Feb 2020 12:15:23 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
text/javascript
via
varnish
expires
Fri, 03 Apr 2020 10:02:26 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f44ec31f4d-FRA
x-cache-hits
7299
1743970571.js
cdn.optimizely.com/js/ 		343 KB
98 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.optimizely.com/js/1743970571.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:6c00:183::13b8 , Ascension Island, ASN20940 (AKAMAI-ASN1, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
de3d4e74d68c03531344fcd2b416a4661ec16a038d3f626f7e82f326a7f1e18e
Security Headers
Name Value
Strict-Transport-Security max-age=15768000

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

x-amz-meta-pci_enabled
False
x-amz-version-id
PSpi_69HWQUxAGdEF_rZIL.b9j0XqecC
content-encoding
gzip
x-amz-request-id
6178CAD6FAAADF37
status
200
access-control-max-age
86400
date
Wed, 01 Apr 2020 22:30:57 GMT
x-amz-replication-status
COMPLETED
server-timing
cdn;desc="AkamaiION";dur=0,rtt;desc="4";dur=0,cdnip;desc="2a02:26f0:6c00:183::13b8";dur=0,cdnmap;desc="a5048.dsca.akamaiedge.net";dur=0,proto;desc="h2";dur=0
strict-transport-security
max-age=15768000
content-length
99643
x-amz-id-2
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last-modified
Wed, 01 Apr 2020 19:33:34 GMT
server
AmazonS3
etag
"38ad7b8ebb78bc0df3e81aed00a2a1af"
vary
Accept-Encoding
access-control-allow-methods
GET, HEAD
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
x-amz-meta-revision
cache-control
max-age=120
x-amz-meta-revision
13997
accept-ranges
bytes
timing-allow-origin
*
access-control-allow-headers
*
js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
www.edx.org/sites/default/files/js/ 		14 KB
5 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
396a93f393faf81034ddf725aedba16bc6ebb156d8ccbd1d8b141f575995cb17
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4869
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
4755
x-request-id
v-269b2c7e-5dfe-11ea-ab65-8fc705fb1a94
last-modified
Tue, 25 Feb 2020 15:42:31 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
text/javascript
via
varnish
expires
Fri, 03 Apr 2020 09:54:33 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f44ec41f4d-FRA
x-cache-hits
7311
js_ED5CXIEwhB9PDdZv7AOYZUbFBi9KCcPctIWjP4xzd14.js
www.edx.org/sites/default/files/js/ 		27 KB
10 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/default/files/js/js_ED5CXIEwhB9PDdZv7AOYZUbFBi9KCcPctIWjP4xzd14.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
103e425c8130841f4f0dd66fec03986546c5062f4a09c3dcb485a33f8c73775e
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:57 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4868
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
10167
x-request-id
v-052eaf28-741c-11ea-b86b-374c579a3d7a
last-modified
Tue, 25 Feb 2020 15:42:32 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
text/javascript
via
varnish
expires
Fri, 01 May 2020 13:23:48 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f44ec81f4d-FRA
x-cache-hits
340
edx-logo-header.png
www.edx.org/sites/default/files/theme/ 		1 KB
1 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.edx.org/sites/default/files/theme/edx-logo-header.png
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
7cdebb92c8372f0227e9088b3d281410f78667b4bca367aba081af42e5072236
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
image

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
via
varnish
x-content-type-options
nosniff
cf-cache-status
HIT
age
1254
cf-polished
origSize=1894
x-cache
HIT
status
200
cf-bgj
imgq:85
x-ah-environment
prod
vary
Accept-Encoding
content-length
1258
x-request-id
v-0a2ffdc4-5c75-11ea-85ec-5f5934d66f3b
last-modified
Wed, 07 May 2014 17:21:08 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
image/png
expires
Fri, 01 May 2020 11:00:48 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f47efc1f4d-FRA
x-cache-hits
5692
js_asIaD16FD7uotC0-R0mY4TYtcYoTYtA9nYyVZoshZC8.js
www.edx.org/sites/default/files/js/ 		789 B
631 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/default/files/js/js_asIaD16FD7uotC0-R0mY4TYtcYoTYtA9nYyVZoshZC8.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
6ac21a0f5e850fbba8b42d3e474998e1362d718a1362d03d9d8c95668b21642f
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4869
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
501
x-request-id
v-26d9ce48-5dfe-11ea-9436-abb56a91c407
last-modified
Tue, 25 Feb 2020 15:42:32 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
text/javascript
via
varnish
expires
Fri, 03 Apr 2020 09:54:34 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f46ef31f4d-FRA
x-cache-hits
7387
backbone-min.js
www.edx.org/sites/all/themes/atedx/scripts/vendor/common/ 		19 KB
7 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/vendor/common/backbone-min.js?q84bpl
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e0ff6c99c8c33330448f0e977f2fe67636ed3ea77481833ceacf2303819f0c7b
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
1263
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
6398
x-request-id
v-ad98356a-7437-11ea-986f-2b5847dc9697
last-modified
Fri, 26 Apr 2019 07:39:06 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
application/javascript
via
varnish
expires
Fri, 01 May 2020 16:41:47 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f4af571f4d-FRA
x-cache-hits
1377
manifest.f61213c9454b13fd4bab.js
www.edx.org/sites/all/themes/atedx/scripts/dist/ 		3 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/dist/manifest.f61213c9454b13fd4bab.js?q84bpl
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f7ed917a2bcfff36f7d470162cda9591b646fa5de1719d9e9cc5c09a17320391
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4869
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
1618
x-request-id
v-ad9d9f96-7437-11ea-9f65-af9bfe510f1d
last-modified
Wed, 18 Mar 2020 19:23:49 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
application/javascript
via
varnish
expires
Fri, 01 May 2020 16:41:47 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f4bf781f4d-FRA
x-cache-hits
338
vendor.67108a02e9d358eee9c1.js
www.edx.org/sites/all/themes/atedx/scripts/dist/ 		128 KB
44 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/dist/vendor.67108a02e9d358eee9c1.js?q84bpl
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
e88a358faa537c71e3b8d91562bc726ccfb1426cfcf33b1b2458534ac5af36c4
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4869
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
44642
x-request-id
v-ae448b58-7437-11ea-8e3a-a31400a00437
last-modified
Wed, 18 Mar 2020 19:24:02 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
application/javascript
via
varnish
expires
Fri, 01 May 2020 16:41:48 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f4bf7a1f4d-FRA
x-cache-hits
317
site_header_without_search.38d12acac58ef971deb6.js
www.edx.org/sites/all/themes/atedx/scripts/dist/ 		440 KB
121 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/dist/site_header_without_search.38d12acac58ef971deb6.js?q84bpl
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
51102d0e2c005cb5775a7fdbe442ca1be26ec5baeb5bed7e684a7de8a2d6adba
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4847
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
123137
x-request-id
v-ade0b862-7437-11ea-a7cf-537a3f150a92
last-modified
Wed, 18 Mar 2020 19:23:55 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
application/javascript
via
varnish
expires
Fri, 01 May 2020 16:41:47 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f4bf7c1f4d-FRA
x-cache-hits
337
search.158b87fa096eb4b14d41.js
www.edx.org/sites/all/themes/atedx/scripts/dist/ 		1 KB
878 B 		Script
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/dist/search.158b87fa096eb4b14d41.js?q84bpl
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
4f92fcf3dd63ae6e9eccce64043f62aab0964473e60a019b33cd49c0ce931edc
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4847
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
751
x-request-id
v-add27324-7437-11ea-86d8-5f5c0c720eb0
last-modified
Wed, 18 Mar 2020 19:24:08 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
application/javascript
via
varnish
expires
Fri, 01 May 2020 16:41:47 GMT
cache-control
max-age=2592000
accept-ranges
bytes
cf-ray
57d5c1f4bf7f1f4d-FRA
x-cache-hits
332
analytics.min.js
cdn.segment.com/analytics.js/v1/8fncv13bt5/ 		403 KB
76 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.segment.com/analytics.js/v1/8fncv13bt5/analytics.min.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
143.204.99.83 Seattle, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-99-83.fra50.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
5ee0b1755a6844402e3e47cedc91d335dbcbb61c24c3d96d2d4a5c54b4abb6f5

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

x-amz-version-id
Wt5dRhjSHymfT1p0rrKYBcubpxHMmJwO
content-encoding
gzip
age
292
x-cache
Hit from cloudfront
status
200
date
Wed, 01 Apr 2020 22:26:42 GMT
x-amz-replication-status
COMPLETED
content-length
77581
via
1.1 b912dc97777020eb19579888add26978.cloudfront.net (CloudFront)
last-modified
Tue, 31 Mar 2020 23:20:42 GMT
server
AmazonS3
etag
"3fd01f4de59a7b76dc2c8b372c0efe18"
access-control-max-age
3000
access-control-allow-methods
GET, HEAD
content-type
text/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public, max-age=300
x-amz-cf-pop
FRA50-C1
accept-ranges
bytes
x-amz-cf-id
i-AMM7YnUhsQPgJYUCVZfP2AUXqpaALTbc0uZyRT6gYJcOrj08KMMw==
fontawesome-webfont.woff2
www.edx.org/sites/all/themes/atedx/fonts/ 		75 KB
76 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/all/themes/atedx/fonts/fontawesome-webfont.woff2?v=4.7.0
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
2adefcbc041e7d18fcf2d417879dc5a09997aa64d675b7a3c4b6ce33da13f3fe
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/sites/default/files/css/css_WD8LJdOYciLy4PWb_VmegJGpBytNrcUzgAzkZ1Nww9k.css
Origin
https://www.edx.org
Sec-Fetch-Dest
font
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
via
varnish
x-content-type-options
nosniff
cf-cache-status
HIT
age
1262
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
77160
x-request-id
v-c1a42ef4-65e3-11ea-91e2-4f0670966157
last-modified
Fri, 26 Apr 2019 07:39:06 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
expires
Thu, 02 Apr 2020 11:10:26 GMT
cache-control
max-age: 0
accept-ranges
bytes
cf-ray
57d5c1f4cf8a1f4d-FRA
x-cache-hits
2932
branch-latest.min.js
cdn.branch.io/ 		77 KB
23 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn.branch.io/branch-latest.min.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_asIaD16FD7uotC0-R0mY4TYtcYoTYtA9nYyVZoshZC8.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
13.225.73.5 Seattle, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-13-225-73-5.fra2.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
6b32a5a9d6377482d78761bb14b2553976026c080c199689876b3f7e8082d2fb

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

x-amz-version-id
8GVRWq87W1DoDDVyhIjRVb4aKbV.eHPi
Content-Encoding
gzip
Last-Modified
Thu, 26 Mar 2020 21:16:32 GMT
Server
AmazonS3
Age
19
ETag
"6ec921ece76f1bd3bfc239d361ef4a2c"
X-Cache
Hit from cloudfront
Content-Type
text/javascript
Via
1.1 286eb4b50e0acf373dd03645aee00b7f.cloudfront.net (CloudFront)
Cache-Control
max-age=300
Date
Wed, 01 Apr 2020 22:30:40 GMT
X-Amz-Cf-Pop
FRA2-C2
Connection
keep-alive
Content-Length
23121
X-Amz-Cf-Id
TLSPpDKZnSC1v2WrX7sSBtyRFdPNZ-p2hzD15tdrHL0qIWCyNdgvBw==
subjects
www.edx.org/api/v1/catalog/ 		61 KB
9 KB 		Fetch
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/api/v1/catalog/subjects
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/site_header_without_search.38d12acac58ef971deb6.js?q84bpl
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
873591f5d2180f8150a69b94159f6be024170576cd47dbe911acf27e5c99fbbd
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff
X-Frame-Options SameOrigin

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
empty

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
1262
x-cache
HIT
status
200
x-ah-environment
prod
vary
X-Accept-Language,Accept-Encoding
content-length
8813
x-request-id
v-13fdd95a-7441-11ea-88d8-53977afae526
last-modified
Wed, 01 Apr 2020 17:49:04 GMT
server
cloudflare
x-frame-options
SameOrigin
etag
"1585763344-1"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
application/json
via
varnish
expires
Sun, 19 Nov 1978 05:00:00 GMT
cache-control
max-age: 0
accept-ranges
bytes
cf-ray
57d5c1f528321f4d-FRA
x-drupal-cache
MISS
x-cache-hits
755
css
fonts.googleapis.com/ 		12 KB
990 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/site_header_without_search.38d12acac58ef971deb6.js?q84bpl
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:821::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
d3ea486b4a93f76a4503c619279b90adff56f0fc78c0699b3d1661383276f890
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

strict-transport-security
max-age=31536000
content-encoding
gzip
x-content-type-options
nosniff
status
200
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,h3-T050=":443"; ma=2592000
x-xss-protection
0
last-modified
Wed, 01 Apr 2020 22:30:58 GMT
server
ESF
date
Wed, 01 Apr 2020 22:30:58 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Wed, 01 Apr 2020 22:30:58 GMT
2.8f4b5fa5066fa96ec9f0.js
www.edx.org/sites/all/themes/atedx/scripts/dist/ 		759 KB
268 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/sites/all/themes/atedx/scripts/dist/2.8f4b5fa5066fa96ec9f0.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/manifest.f61213c9454b13fd4bab.js?q84bpl
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
f4b1fc539ef191d94e840eb2acdc821cab7d308c56d3cee6950845700dc6cd80
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
4846
x-cache
HIT
status
200
x-ah-environment
prod
vary
Accept-Encoding
content-length
273976
x-request-id
v-0671d014-694e-11ea-a999-576b8d2a88d2
last-modified
Wed, 18 Mar 2020 19:23:49 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
application/javascript
via
varnish
expires
Fri, 17 Apr 2020 19:24:02 GMT
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date
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9 KB 		Font
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Host: www.edx.org
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18 KB 		Script
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URL: https://cdn.segment.com/analytics.js/v1/8fncv13bt5/analytics.min.js
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expires
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gtm.js
www.googletagmanager.com/ 		124 KB
40 KB 		Script
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URL: https://cdn.segment.com/analytics.js/v1/8fncv13bt5/analytics.min.js
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H2
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TLS 1.3, , AES_128_GCM
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date
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content-encoding
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0
expires
Wed, 01 Apr 2020 22:30:58 GMT
linkid.js
www.google-analytics.com/plugins/ua/ 		2 KB
923 B 		Script
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https://www.google-analytics.com/plugins/ua/linkid.js
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Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2a00:1450:4001:81c::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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Sec-Fetch-Dest
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Response headers

date
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content-encoding
gzip
x-content-type-options
nosniff
last-modified
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server
sffe
age
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content-length
859
x-xss-protection
0
expires
Wed, 01 Apr 2020 22:42:37 GMT
4982103.js
js.hs-scripts.com/ 		743 B
556 B 		Script
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Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-PLVRLF&l=dataLayer
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2606:4700::6811:d6cc , United States, ASN13335 (CLOUDFLARENET, US),
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
br
cf-cache-status
HIT
age
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cf-polished
origSize=840
status
200
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3600
cf-bgj
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cloudflare
x-trace
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expect-ct
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vary
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cache-control
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cf-ray
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expires
Wed, 01 Apr 2020 22:31:58 GMT
personalize.v0.0.4.min.js
ak.sail-horizon.com/onsite/ 		114 KB
39 KB 		Script
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Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-PLVRLF&l=dataLayer
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
13.225.73.40 Seattle, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
Apache /
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:26:01 GMT
content-encoding
gzip
last-modified
Mon, 27 Mar 2017 20:53:05 GMT
server
Apache
age
301
vary
Accept-Encoding
x-cache
Hit from cloudfront
content-type
text/javascript
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200
cache-control
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x-amz-cf-pop
FRA2-C2
accept-ranges
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via
1.1 217b7bc19321a4945b685521fa4f11ac.cloudfront.net (CloudFront)
x-amz-cf-id
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4982103.js
js.hs-analytics.net/analytics/1585780200000/ 		82 KB
22 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.hs-analytics.net/analytics/1585780200000/4982103.js
Requested by
Host: js.hs-scripts.com
URL: https://js.hs-scripts.com/4982103.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2606:4700::6811:43b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
br
cf-cache-status
HIT
age
31
x-amz-server-side-encryption
AES256
status
200
x-amz-request-id
6A6B4037E322E792
x-amz-id-2
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last-modified
Thu, 12 Mar 2020 16:13:03 GMT
server
cloudflare
etag
W/"f86cbc70d8474645ed1b39f6c54bc2cf"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/javascript
cache-control
max-age=300, public
access-control-allow-credentials
false
x-amz-version-id
null
cf-ray
57d5c1f6288dc2d1-FRA
expires
Wed, 01 Apr 2020 22:35:27 GMT
fb.js
js.hsadspixel.net/ 		4 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js.hsadspixel.net/fb.js
Requested by
Host: js.hs-scripts.com
URL: https://js.hs-scripts.com/4982103.js
Protocol
H2
Security
TLS 1.2, ECDHE_ECDSA, AES_128_GCM
Server
2606:4700::6811:72b0 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
cfa5a29bd9155a6a8a0e4af8cb8aed939c9c73d454de40ffafa401838b485055

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
via
1.1 f37f104903bda438e8b0547be6e0c193.cloudfront.net (CloudFront)
cf-cache-status
HIT
age
49
x-amz-server-side-encryption
AES256
x-cache
Hit from cloudfront
status
200
x-amz-replication-status
COMPLETED
content-encoding
br
x-amz-version-id
qMSpo3sC.BiIj70bgxAXW9_Js1.PmD46
last-modified
Mon, 30 Mar 2020 01:16:13 GMT
server
cloudflare
etag
W/"7a80569fddf77c67bd7c33bdc750aea0"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
application/javascript; charset=utf-8
cache-control
max-age=600
x-amz-cf-pop
IAD89-C3
cf-ray
57d5c1f62c85d6ed-FRA
x-amz-cf-id
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open
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553 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://api2.branch.io/v1/open
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
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H2
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TLS 1.2, ECDHE_RSA, AES_128_GCM
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Reverse DNS
Software
openresty/1.13.6.2 /
Resource Hash
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Origin
https://www.edx.org
Sec-Fetch-Dest
empty
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Content-Type
application/x-www-form-urlencoded

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
via
1.1 80c1ad5f9352d00b95a9da73eb6b6be5.cloudfront.net (CloudFront)
server
openresty/1.13.6.2
x-amz-cf-pop
FRA50-C1
status
200
x-cache
Miss from cloudfront
content-type
application/json
access-control-allow-origin
*
cache-control
no-cache
content-length
265
x-amz-cf-id
YonNU8X2sFKB_eqDZrtZl3T4RxfWLlR8dKuPWPvb54s518gy_RV6Iw==
footer
www.edx.org/api/ 		13 KB
3 KB 		XHR
General
Check archive.org
Download Go to
Full URL
https://www.edx.org/api/footer?language=en&include-language-selector=1
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:a5e4 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff
X-Frame-Options SameOrigin

Request headers

Accept
text/html, */*; q=0.01
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Sec-Fetch-Dest
empty
X-Requested-With
XMLHttpRequest
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
age
1264
x-cache
HIT
status
200
x-ah-environment
prod
vary
X-Accept-Language,Accept-Encoding
content-length
2682
x-request-id
v-48aee0b2-7438-11ea-ae7f-9f674e46797e
last-modified
Wed, 01 Apr 2020 16:46:07 GMT
server
cloudflare
x-frame-options
SameOrigin
etag
"1585759567-1"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
strict-transport-security
max-age=2592000
content-type
text/html; charset=UTF-8
via
varnish
expires
Sun, 19 Nov 1978 05:00:00 GMT
cache-control
public, max-age=21600
accept-ranges
bytes
cf-ray
57d5c1f67a8b1f4d-FRA
x-drupal-cache
MISS
x-cache-hits
1025
pageview
api.sail-track.com/v1/track/event/ 		13 B
441 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://api.sail-track.com/v1/track/event/pageview
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
162.208.117.47 New York, United States, ASN11403 (NYINTERNET, US),
Reverse DNS
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Software
/
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Request headers

Access-Control-Request-Method
POST
Origin
https://www.edx.org
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Sec-Fetch-Dest
empty
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Access-Control-Request-Headers
authorization,content-type,x-lib-version

Response headers

Date
Wed, 01 Apr 2020 22:30:58 GMT
Allow
POST,OPTIONS
Access-Control-Allow-Methods
GET,POST,OPTIONS
Content-Type
text/plain
Access-Control-Allow-Origin
https://www.edx.org
Access-Control-Max-Age
1800
Access-Control-Allow-Credentials
true
Connection
close
Access-Control-Allow-Headers
Content-Type,Authorization,X-Requested-With,Content-Length,Accept,Origin,X-Lib-Version
Content-Length
13
log
errors.client.optimizely.com/ 		13 B
403 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://errors.client.optimizely.com/log
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.227.153.53 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-227-153-53.compute-1.amazonaws.com
Software
/
Resource Hash
16f1efa415bfdd7abcf8fdd76cc05ae6fa66ffdfdc730368ecea89ecfe5c3a12

Request headers

Access-Control-Request-Method
POST
Origin
https://www.edx.org
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Sec-Fetch-Dest
empty
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Access-Control-Request-Headers
content-type

Response headers

Date
Wed, 01 Apr 2020 22:30:58 GMT
Allow
POST,OPTIONS
Access-Control-Allow-Methods
GET,POST,OPTIONS
Content-Type
text/plain
Access-Control-Allow-Origin
https://www.edx.org
Access-Control-Max-Age
1800
Access-Control-Allow-Credentials
true
Connection
keep-alive
Access-Control-Allow-Headers
X-Requested-With,Content-Type,Accept,Origin
Content-Length
13
nr-768.min.js
js-agent.newrelic.com/ 		22 KB
9 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://js-agent.newrelic.com/nr-768.min.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
151.101.114.110 Frankfurt am Main, Germany, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-amz-request-id
7B1B9B83C0F0A0F9
x-cache
HIT
status
200
content-length
8634
x-amz-id-2
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x-served-by
cache-hhn4054-HHN
last-modified
Wed, 28 Feb 2018 23:33:43 GMT
server
AmazonS3
x-timer
S1585780258.338918,VS0,VE0
etag
"b4b84a4b4f36d13ffaa93c062b2d3e17"
vary
Accept-Encoding
content-type
application/javascript
via
1.1 varnish
cache-control
public, max-age=7200, stale-if-error=604800
accept-ranges
bytes
x-cache-hits
61
json
api.hubapi.com/hs-script-loader-public/v1/config/ 		79 B
306 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://api.hubapi.com/hs-script-loader-public/v1/config/json?portalId=4982103
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:c9cc , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Origin
https://www.edx.org
Sec-Fetch-Dest
empty
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
br
vary
Accept-Encoding
cf-cache-status
DYNAMIC
status
200
strict-transport-security
max-age=31536000; includeSubDomains; preload
server
cloudflare
x-trace
2B7D5EC8201E5A31F8F497D1F679E3890D39393CDE000000000000000000
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
access-control-max-age
180
access-control-allow-methods
GET, OPTIONS, PUT, POST, DELETE, PATCH, HEAD
content-type
application/json;charset=utf-8
access-control-allow-origin
https://www.edx.org
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false
cf-ray
57d5c1f699f9d6d1-FRA
access-control-allow-headers
*
__ptq.gif
track.hubspot.com/ 		45 B
233 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://track.hubspot.com/__ptq.gif?k=1&sd=1600x1200&cd=24-bit&cs=UTF-8&ln=en-us&bfp=818329955&v=1.1&a=4982103&rcu=https%3A%2F%2Fwww.edx.org%2Fcourse&pu=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&t=edX+Courses+%7C+View+all+online+courses+on+edX.org&cts=1585780258337&vi=899d36f9025cdde7cd23ecef0b7c048a&nc=true&u=23171429.899d36f9025cdde7cd23ecef0b7c048a.1585780258334.1585780258334.1585780258334.1&b=23171429.1.1585780258334
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:fa05 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
dc111a70984a9eda00752b06277113029ef288f1125c31eff2477413e15e8aa4
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
image

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
cf-cache-status
DYNAMIC
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
p3p
CP="NOI CUR ADM OUR NOR STA NID"
status
200
cache-control
no-cache, no-store, no-transform
access-control-allow-credentials
false
strict-transport-security
max-age=31536000; includeSubDomains; preload
cf-ray
57d5c1f69a491f19-FRA
content-type
image/gif
content-length
45
x-robots-tag
none
simple
api.sail-personalize.com/v1/personalize/ 		18 B
477 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://api.sail-personalize.com/v1/personalize/simple?messageId=19701388.2649758&horizonId=3f16d2adc1346834f0583f187c23f998588fc3b856cf608a7d8b56ba741468b3273af46bbcae38db6630e878
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
162.208.117.45 New York, United States, ASN11403 (NYINTERNET, US),
Reverse DNS
162.208.117.45.static.nyinternet.net
Software
/
Resource Hash
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Request headers

Access-Control-Request-Method
GET
Origin
https://www.edx.org
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Sec-Fetch-Dest
empty
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Access-Control-Request-Headers
x-lib-version

Response headers

Date
Wed, 01 Apr 2020 22:30:58 GMT
Allow
HEAD,GET,OPTIONS
Access-Control-Allow-Methods
OPTIONS,GET,POST,PUT,DELETE
Content-Type
text/plain
Access-Control-Allow-Origin
https://www.edx.org
Access-Control-Max-Age
1800
Access-Control-Allow-Credentials
true
Connection
close
Access-Control-Allow-Headers
Content-Type,Authorization,X-Requested-With,Content-Length,Accept,Origin,X-Lib-Version,X-Referring-URL
Content-Length
18
lms-footer-edx.e1c4d44bd14a.css
prod-edx-edxapp-assets.edx-cdn.org/static/edx.org/css/ 		22 KB
4 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://prod-edx-edxapp-assets.edx-cdn.org/static/edx.org/css/lms-footer-edx.e1c4d44bd14a.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/vendor.67108a02e9d358eee9c1.js?q84bpl
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:ef48 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
cf-cache-status
HIT
age
6106
status
200
x-amz-request-id
C5B549F44A3B9D48
x-amz-id-2
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last-modified
Fri, 13 Mar 2020 15:15:27 GMT
server
cloudflare
etag
W/"e1c4d44bd14a18f089cfe857ade8ea8b"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=14400
cf-ray
57d5c1f6aff49ac8-FRA
expires
Thu, 02 Apr 2020 02:30:58 GMT
footer-edx.dca113193668.js
prod-edx-edxapp-assets.edx-cdn.org/static/js/ 		551 B
454 B 		Script
General
Check archive.org
Download Go to
Full URL
https://prod-edx-edxapp-assets.edx-cdn.org/static/js/footer-edx.dca113193668.js?_=1585780258065
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/vendor.67108a02e9d358eee9c1.js?q84bpl
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:ef48 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
aea21aa54270aa3468c00c1f8cec52fd3c7944145083ef08aa6f659baf3baa4f

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
cf-cache-status
MISS
last-modified
Wed, 01 Apr 2020 19:54:12 GMT
server
cloudflare
x-amz-request-id
8CF346C7B2DD2417
etag
W/"dca113193668c302900adf7dbc05cedd"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
application/javascript
status
200
cache-control
public, max-age=14400
cf-ray
57d5c1f6aff59ac8-FRA
x-amz-id-2
nzOR1jk/4DhLaHo8vZzV77Sij2bLneps4MgdbWqj6C/9lDdwEyPFaxCq3hd9xhkpMbz5b5iPsuI=
expires
Thu, 02 Apr 2020 02:30:58 GMT
logo-footer.fde85fe42f6b.png
prod-edx-edxapp-assets.edx-cdn.org/static/edx.org/images/ 		3 KB
3 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://prod-edx-edxapp-assets.edx-cdn.org/static/edx.org/images/logo-footer.fde85fe42f6b.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:ef48 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
5cf97370a2c8bba2ab994e14807bc494cc002d76e3946048a43b12e143f6109c

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
image

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
cf-cache-status
HIT
age
6112
status
200
content-type
image/png
content-length
3091
x-amz-id-2
kBP7KWfJQUDROOyTlKzCbSuPBJJaCf+uCqmpwQLoFboApQ0w7uTFqHMk71i3q0r/jd1VeZXJflE=
last-modified
Mon, 13 Jan 2020 15:06:08 GMT
server
cloudflare
etag
"fde85fe42f6b9216db1805eca09c84a9"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-amz-request-id
AE41DF8F39A8B787
cache-control
public, max-age=14400
accept-ranges
bytes
cf-ray
57d5c1f6aff69ac8-FRA
expires
Thu, 02 Apr 2020 02:30:58 GMT
app_store_badge_135x40.d0558d910630.svg
prod-edx-edxapp-assets.edx-cdn.org/static/images/app/ 		12 KB
5 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://prod-edx-edxapp-assets.edx-cdn.org/static/images/app/app_store_badge_135x40.d0558d910630.svg
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:ef48 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
25178aeef6eb6b83b96f5f2d004eda3bffbb37122de64afbaef7107b384a4132

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
image

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
cf-cache-status
HIT
age
6106
status
200
x-amz-request-id
DD85488E38AF6284
x-amz-id-2
0xAc1yV8LMD4y6YolxJtNZ95HEQ7Kqw+z3okjhG6twmudp+ZcLHqopHnc0bfHmRTtfHhzyrW7WI=
last-modified
Mon, 13 Jan 2020 15:06:19 GMT
server
cloudflare
etag
W/"d0558d91063038236b60e3ef71fdc1fd"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
image/svg+xml
cache-control
public, max-age=14400
cf-ray
57d5c1f6aff89ac8-FRA
expires
Thu, 02 Apr 2020 02:30:58 GMT
google_play_badge_45.6ea466e328da.png
prod-edx-edxapp-assets.edx-cdn.org/static/images/app/ 		4 KB
4 KB 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://prod-edx-edxapp-assets.edx-cdn.org/static/images/app/google_play_badge_45.6ea466e328da.png
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:ef48 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
d838b2098a6dde4053f9ccdbbc0f889d4444b5a27da3ee211cd782a8458bb63e

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
image

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
cf-cache-status
HIT
age
6108
status
200
content-type
image/png
content-length
4109
x-amz-id-2
fdv2finw8yaFaBNzzOjkMOj5fri4HMrAUQbjdCq5qIdH0BH3krVW+eBs4HbzRhE9RdxSsKYeKmY=
last-modified
Mon, 13 Jan 2020 15:06:19 GMT
server
cloudflare
etag
"6ea466e328da752cabd8787d8e4b9612"
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
x-amz-request-id
D3071F496F0BAA2C
cache-control
public, max-age=14400
accept-ranges
bytes
cf-ray
57d5c1f6affa9ac8-FRA
expires
Thu, 02 Apr 2020 02:30:58 GMT
6798.js
www.dwin1.com/ 		11 KB
6 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.dwin1.com/6798.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtm.js?id=GTM-PLVRLF&l=dataLayer
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:21f3:ee00:f:8ce2:fb80:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
6a7d3ee8d70411b3d5fdbc9f698170912eb77cc7bec332b6a5665db6d2ca6413

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

x-amz-version-id
Bisi5kOR.llnmtfjY2RQbi1g7M.Etx9U
content-encoding
gzip
last-modified
Wed, 22 Jan 2020 16:42:29 GMT
server
AmazonS3
x-amz-cf-pop
FRA2-C2
date
Wed, 01 Apr 2020 21:06:45 GMT
access-control-allow-methods
GET, HEAD
content-type
application/javascript
status
200
cache-control
max-age=3600,s-maxage=3600
x-amz-replication-status
COMPLETED
x-cache
Hit from cloudfront
access-control-allow-origin
*
x-amz-cf-id
Srv07RFQ6-6vlcW7w51nCoZkU6fI3sJ8dgyiyE0pjrdIqFSucyNDIQ==
via
1.1 edfd22ec6695cdc9d7ac634220af1315.cloudfront.net (CloudFront)
fbevents.js
connect.facebook.net/en_US/ 		126 KB
30 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/en_US/fbevents.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f01c:8012:face:b00c:0:3 , Ireland, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
5a91c6d3e635c0bd1551a53cf0769328132151a7732039170280d500dbcb4685
Security Headers
Name Value
Content-Security-Policy default-src * data: blob:;script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.virtualearth.net *.google.com 127.0.0.1:* *.spotilocal.com:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net *.spotilocal.com:* wss://*.facebook.com:* https://fb.scanandcleanlocal.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm;
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

strict-transport-security
max-age=31536000; preload; includeSubDomains
content-encoding
gzip
x-content-type-options
nosniff
status
200
alt-svc
h3-27=":443"; ma=3600
content-length
30466
x-xss-protection
0
pragma
public
x-fb-debug
mNXYpfJjEUrJiQMdmapo/oz632yG+yfmLNqHM3h2zGmzuj+Al+BFrAOqxdOm/Vmn9UeyHrdszlp5dD2z8zI83Q==
x-fb-trip-id
420120009
date
Wed, 01 Apr 2020 22:30:58 GMT, Wed, 01 Apr 2020 22:30:58 GMT
x-frame-options
DENY
content-type
application/x-javascript; charset=utf-8
vary
Accept-Encoding
cache-control
public, max-age=1200
content-security-policy
default-src * data: blob:;script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.virtualearth.net *.google.com 127.0.0.1:* *.spotilocal.com:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net *.spotilocal.com:* wss://*.facebook.com:* https://fb.scanandcleanlocal.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm;
expires
Sat, 01 Jan 2000 00:00:00 GMT
css
fonts.googleapis.com/ 		12 KB
944 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:821::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
d3ea486b4a93f76a4503c619279b90adff56f0fc78c0699b3d1661383276f890
Security Headers
Name Value
Strict-Transport-Security max-age=31536000
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
style

Response headers

strict-transport-security
max-age=31536000
content-encoding
gzip
x-content-type-options
nosniff
status
200
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,h3-T050=":443"; ma=2592000
x-xss-protection
0
last-modified
Wed, 01 Apr 2020 22:30:58 GMT
server
ESF
date
Wed, 01 Apr 2020 22:30:58 GMT
x-frame-options
SAMEORIGIN
content-type
text/css; charset=utf-8
access-control-allow-origin
*
cache-control
private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin
*
link
<https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires
Wed, 01 Apr 2020 22:30:58 GMT
1beac94c95
bam.nr-data.net/1/ 		57 B
268 B 		Script
General
Check archive.org
Download Go to
Full URL
https://bam.nr-data.net/1/1beac94c95?a=12274678&sa=1&pl=1585780257100&v=768.2acc9fa&t=Unnamed%20Transaction&be=931&fe=301&dc=98&f=%5B%22err%22,%22xhr%22,%22stn%22%5D&perf=%7B%22timing%22:%7B%22of%22:1585780257100,%22n%22:0,%22dl%22:866,%22di%22:1024,%22ds%22:1024,%22de%22:1030,%22dc%22:1231,%22l%22:1231,%22le%22:1239,%22f%22:404,%22dn%22:404,%22dne%22:404,%22c%22:404,%22ce%22:404,%22rq%22:405,%22rp%22:864,%22rpe%22:865%7D,%22navigation%22:%7B%7D%7D&jsonp=NREUM.setToken
Requested by
Host: js-agent.newrelic.com
URL: https://js-agent.newrelic.com/nr-768.min.js
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
162.247.242.18 San Francisco, United States, ASN23467 (NEWRELIC-AS-1, US),
Reverse DNS
bam-6.nr-data.net
Software
/
Resource Hash
5e864c2e3f674c60970513411eaeeeafd2d615d842e65ec01d09ccfcb4a7b38d

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

Content-Type
text/javascript;charset=ISO-8859-1
Content-Length
57
Expires
Thu, 01 Jan 1970 00:00:00 GMT
1601661033380488
connect.facebook.net/signals/config/ 		447 KB
112 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://connect.facebook.net/signals/config/1601661033380488?v=2.9.15&r=stable
Requested by
Host: connect.facebook.net
URL: https://connect.facebook.net/en_US/fbevents.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f01c:8012:face:b00c:0:3 , Ireland, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
d7b27c87af122bb9eb722708df8e80e609749aae7445ffbc7c25938b1ec1be9c
Security Headers
Name Value
Content-Security-Policy default-src * data: blob:;script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.virtualearth.net *.google.com 127.0.0.1:* *.spotilocal.com:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net *.spotilocal.com:* wss://*.facebook.com:* https://fb.scanandcleanlocal.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm;
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

strict-transport-security
max-age=31536000; preload; includeSubDomains
content-encoding
gzip
x-content-type-options
nosniff
status
200
alt-svc
h3-27=":443"; ma=3600
content-length
114963
x-xss-protection
0
pragma
public
x-fb-debug
p7tUjxNCyuheDn1HHPfJeA5RkArgE90tRVGG6OE675y1lXvPlvFCBn2+985RuGVVXjn4F4WEjPrpMhISu0T/og==
x-fb-trip-id
420120009
date
Wed, 01 Apr 2020 22:30:58 GMT, Wed, 01 Apr 2020 22:30:58 GMT
x-frame-options
DENY
content-type
application/x-javascript; charset=utf-8
vary
Accept-Encoding
cache-control
public, max-age=1200
content-security-policy
default-src * data: blob:;script-src *.facebook.com *.fbcdn.net *.facebook.net *.google-analytics.com *.virtualearth.net *.google.com 127.0.0.1:* *.spotilocal.com:* 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' *;connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net *.spotilocal.com:* wss://*.facebook.com:* https://fb.scanandcleanlocal.com:* attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm;
expires
Sat, 01 Jan 2000 00:00:00 GMT
mem8YaGs126MiZpBA-UFVZ0bf8pkAg.woff2
fonts.gstatic.com/s/opensans/v17/ 		9 KB
9 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/opensans/v17/mem8YaGs126MiZpBA-UFVZ0bf8pkAg.woff2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:814::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
54c64f3c66372027154f01fc9f24b4e25fdfe405b70d1994c79abbc2576ff775
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700
Origin
https://www.edx.org
Sec-Fetch-Dest
font
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Sat, 28 Mar 2020 00:54:51 GMT
x-content-type-options
nosniff
last-modified
Tue, 23 Jul 2019 19:30:49 GMT
server
sffe
age
423367
content-type
font/woff2
status
200
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,h3-T050=":443"; ma=2592000
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
access-control-allow-origin
*
content-length
9132
x-xss-protection
0
expires
Sun, 28 Mar 2021 00:54:51 GMT
mem5YaGs126MiZpBA-UNirkOUuhpKKSTjw.woff2
fonts.gstatic.com/s/opensans/v17/ 		9 KB
9 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/opensans/v17/mem5YaGs126MiZpBA-UNirkOUuhpKKSTjw.woff2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:814::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
b8e23a845bc6b7fd417d29182e0e38d353e64b5e12e06bb1de2b5ce063db1dcc
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700
Origin
https://www.edx.org
Sec-Fetch-Dest
font
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Tue, 10 Mar 2020 23:56:14 GMT
x-content-type-options
nosniff
last-modified
Tue, 23 Jul 2019 19:30:44 GMT
server
sffe
age
1895684
content-type
font/woff2
status
200
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,h3-T050=":443"; ma=2592000
cache-control
public, max-age=31536000
accept-ranges
bytes
timing-allow-origin
*
access-control-allow-origin
*
content-length
9180
x-xss-protection
0
expires
Wed, 10 Mar 2021 23:56:14 GMT
mem5YaGs126MiZpBA-UN_r8OUuhpKKSTjw.woff2
fonts.gstatic.com/s/opensans/v17/ 		9 KB
9 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/opensans/v17/mem5YaGs126MiZpBA-UN_r8OUuhpKKSTjw.woff2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:814::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700
Origin
https://www.edx.org
Sec-Fetch-Dest
font
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Tue, 10 Mar 2020 17:19:07 GMT
x-content-type-options
nosniff
last-modified
Tue, 23 Jul 2019 19:30:37 GMT
server
sffe
age
1919511
content-type
font/woff2
status
200
alt-svc
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cache-control
public, max-age=31536000
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timing-allow-origin
*
access-control-allow-origin
*
content-length
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x-xss-protection
0
expires
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mem5YaGs126MiZpBA-UN7rgOUuhpKKSTjw.woff2
fonts.gstatic.com/s/opensans/v17/ 		9 KB
9 KB 		Font
General
Check archive.org
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Full URL
https://fonts.gstatic.com/s/opensans/v17/mem5YaGs126MiZpBA-UN7rgOUuhpKKSTjw.woff2
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:814::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
a48a6e4b14fe55f750c0a3dfb5a6f4941bdc06af0aa542b90de25c30c2b4625c
Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
https://fonts.googleapis.com/css?family=Open+Sans:300,400,400i,600,700
Origin
https://www.edx.org
Sec-Fetch-Dest
font
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Tue, 10 Mar 2020 17:00:48 GMT
x-content-type-options
nosniff
last-modified
Tue, 23 Jul 2019 19:31:11 GMT
server
sffe
age
1920610
content-type
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status
200
alt-svc
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cache-control
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accept-ranges
bytes
timing-allow-origin
*
access-control-allow-origin
*
content-length
9080
x-xss-protection
0
expires
Wed, 10 Mar 2021 17:00:48 GMT
/
www.facebook.com/tr/ 		44 B
248 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/tr/?id=1601661033380488&ev=PageView&dl=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&rl=&if=false&ts=1585780258424&sw=1600&sh=1200&v=2.9.15&r=stable&ec=0&o=30&fbp=fb.1.1585780258423.1532105952&it=1585780258382&coo=false&rqm=GET
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f11c:8183:face:b00c:0:25de , Ireland, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
image

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT, Wed, 01 Apr 2020 22:30:58 GMT
last-modified
Fri, 21 Dec 2012 00:00:01 GMT
server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains
content-type
image/gif
status
200
cache-control
no-cache, must-revalidate, max-age=0
alt-svc
h3-27=":443"; ma=3600
content-length
44
expires
Wed, 01 Apr 2020 22:30:58 GMT
insight.min.js
snap.licdn.com/li.lms-analytics/ 		3 KB
2 KB 		Script
General
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Full URL
https://snap.licdn.com/li.lms-analytics/insight.min.js
Requested by
Host: js.hsadspixel.net
URL: https://js.hsadspixel.net/fb.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_256_GCM
Server
2a02:26f0:eb:3b4::25ea , Ascension Island, ASN20940 (AKAMAI-ASN1, US),
Reverse DNS
Software
/
Resource Hash
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

Date
Wed, 01 Apr 2020 22:30:58 GMT
Content-Encoding
gzip
Last-Modified
Mon, 07 Oct 2019 16:41:31 GMT
X-CDN
AKAM
Vary
Accept-Encoding
Content-Type
application/x-javascript;charset=utf-8
Cache-Control
max-age=39367
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
1576
js
www.googletagmanager.com/gtag/ 		76 KB
28 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googletagmanager.com/gtag/js?id=AW-796433197
Requested by
Host: js.hsadspixel.net
URL: https://js.hsadspixel.net/fb.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81d::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Google Tag Manager /
Resource Hash
ed98964cfd0f3d250522f9c8e1976393a61539fcbade4f8cc2722ba6419595e5
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains
X-Xss-Protection 0

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
br
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,h3-T050=":443"; ma=2592000
server
Google Tag Manager
access-control-allow-origin
*
vary
Accept-Encoding
content-type
application/javascript; charset=UTF-8
status
200
cache-control
private, max-age=900
access-control-allow-credentials
true
strict-transport-security
max-age=31536000; includeSubDomains
access-control-allow-headers
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content-length
29063
x-xss-protection
0
expires
Wed, 01 Apr 2020 22:30:58 GMT
p
api.segment.io/v1/ 		21 B
139 B 		XHR
General
Check archive.org
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Full URL
https://api.segment.io/v1/p
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
54.218.116.118 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
ec2-54-218-116-118.us-west-2.compute.amazonaws.com
Software
/
Resource Hash
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Origin
https://www.edx.org
Sec-Fetch-Dest
empty
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Content-Type
text/plain

Response headers

status
200
date
Wed, 01 Apr 2020 22:30:58 GMT
access-control-allow-origin
https://www.edx.org
content-length
21
vary
Origin
content-type
application/json
collect
www.google-analytics.com/ 		35 B
99 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google-analytics.com/collect?v=1&_v=j81&a=1829199250&t=pageview&_s=1&dl=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&dp=%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&ul=en-us&de=UTF-8&dt=edX%20Courses%20%7C%20View%20all%20online%20courses%20on%20edX.org&sd=24-bit&sr=1600x1200&vp=1585x1200&je=0&_u=aGBAgAAj~&jid=1219721804&gjid=11032729&cid=1195805070.1585780258&tid=UA-35248639-2&_gid=1669315704.1585780258&z=187376775
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:81c::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Security Headers
Name Value
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
image

Response headers

pragma
no-cache
date
Sat, 28 Mar 2020 10:37:45 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
age
388393
content-type
image/gif
status
200
alt-svc
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cache-control
no-cache, no-store, must-revalidate
access-control-allow-origin
*
content-length
35
expires
Mon, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.de/ads/
Redirect Chain
  • https://stats.g.doubleclick.net/r/collect?t=dc&aip=1&_r=3&v=1&_v=j81&tid=UA-35248639-2&cid=1195805070.1585780258&jid=1219721804&gjid=11032729&_gid=1669315704.1585780258&_u=aGBAgAAj~&z=722172614
  • https://www.google.com/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=1195805070.1585780258&jid=1219721804&_v=j81&z=722172614
  • https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=1195805070.1585780258&jid=1219721804&_v=j81&z=722172614&slf_rd=1&random=56348592
42 B
109 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=1195805070.1585780258&jid=1219721804&_v=j81&z=722172614&slf_rd=1&random=56348592
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:825::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 01 Apr 2020 22:30:58 GMT
x-content-type-options
nosniff
content-type
image/gif
server
cafe
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
cache-control
no-cache, no-store, must-revalidate
timing-allow-origin
*
alt-svc
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content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

pragma
no-cache
date
Wed, 01 Apr 2020 22:30:58 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
location
https://www.google.de/ads/ga-audiences?v=1&aip=1&t=sr&_r=4&tid=UA-35248639-2&cid=1195805070.1585780258&jid=1219721804&_v=j81&z=722172614&slf_rd=1&random=56348592
p3p
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302
cache-control
no-cache, no-store, must-revalidate
content-type
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alt-svc
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content-length
0
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
dj_.js
cl.qualaroo.com/ki.js/59450/ 		373 B
781 B 		Script
General
Check archive.org
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Full URL
https://cl.qualaroo.com/ki.js/59450/dj_.js
Requested by
Host: cdn.segment.com
URL: https://cdn.segment.com/analytics.js/v1/8fncv13bt5/analytics.min.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:6ea0:c710::2 , Germany, ASN60068 (CDN77, GB),
Reverse DNS
Software
BunnyCDN-DE1-487 /
Resource Hash
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
cdn-edgestorageid
487
x-amz-request-id
4DA2BBFBC50BB63F
status
200
cdn-cachedat
2020-03-24 18:32:32
cdn-pullzone
92714
content-length
292
x-amz-id-2
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last-modified
Tue, 24 Mar 2020 18:29:29 GMT
server
BunnyCDN-DE1-487
vary
Accept-Encoding, Accept-Encoding
content-type
application/ecmascript
cdn-cache
HIT
cdn-uid
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cache-control
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cdn-requestid
cada8bfa945bb096f59a382be031a834
accept-ranges
bytes
cdn-requestcountrycode
DE
pageview
api2.branch.io/v1/ 		28 B
361 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://api2.branch.io/v1/pageview
Requested by
Host: www.edx.org
URL: https://www.edx.org/sites/default/files/js/js_OWqT85P6-BA03fclrtuha8brsVbYzL0dixQfV1mVyxc.js
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2600:9000:2156:b000:11:f728:3040:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
openresty/1.13.6.2 / Express
Resource Hash
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Origin
https://www.edx.org
Sec-Fetch-Dest
empty
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Content-Type
application/x-www-form-urlencoded

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
via
1.1 80c1ad5f9352d00b95a9da73eb6b6be5.cloudfront.net (CloudFront)
server
openresty/1.13.6.2
x-amz-cf-pop
FRA50-C1
x-powered-by
Express
etag
W/"1c-KRZWpHfIKyIHGKJ9mp9lAyX+vFY"
status
200
x-cache
Miss from cloudfront
content-type
application/json; charset=utf-8
access-control-allow-origin
*
content-length
28
x-amz-cf-id
-IhLI99oOba-Tjalfa454GnrTeqbcodKyaULi4GN5t4kqSmHkjX6Ew==
collect
px.ads.linkedin.com/
Redirect Chain
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=533266&url=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&ti...
  • https://www.linkedin.com/px/li_sync?redirect=https%3A%2F%2Fpx.ads.linkedin.com%2Fcollect%3Fv%3D2%26fmt%3Djs%26pid%3D533266%26url%3Dhttps%253A%252F%252Fwww.edx.org%252Fcourse%253Fprogram%253Dall%252...
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=533266&url=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&ti...
0
69 B 		Image
General
Check archive.org
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Full URL
https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=533266&url=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&time=1585780258639&liSync=true
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a05:f500:10:101::b93f:9105 , Ireland, ASN14413 (LINKEDIN, US),
Reverse DNS
Software
Play /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36

Response headers

date
Wed, 01 Apr 2020 22:30:59 GMT
server
Play
linkedin-action
1
x-li-fabric
prod-lva1
status
200
x-li-proto
http/2
x-li-pop
prod-efr5
content-type
application/javascript
content-length
0
x-li-uuid
SrlHar7SARZgnw+5NCsAAA==

Redirect headers

date
Wed, 01 Apr 2020 22:30:59 GMT
x-content-type-options
nosniff
linkedin-action
1
status
302
strict-transport-security
max-age=2592000
content-length
0
x-li-uuid
QOjzVr7SARYQ4lILsCoAAA==
server
Play
pragma
no-cache
x-li-pop
prod-tln1
expect-ct
max-age=86400, report-uri="https://www.linkedin.com/platform-telemetry/ct"
x-frame-options
sameorigin
x-li-fabric
prod-lva1
location
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x-li-proto
http/2
expires
Thu, 01 Jan 1970 00:00:00 GMT
dj_qoo.js
cl.qualaroo.com/ki.js/59450/ 		139 KB
48 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cl.qualaroo.com/ki.js/59450/dj_qoo.js
Requested by
Host: cl.qualaroo.com
URL: https://cl.qualaroo.com/ki.js/59450/dj_.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a02:6ea0:c710::2 , Germany, ASN60068 (CDN77, GB),
Reverse DNS
Software
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Resource Hash
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Referer
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Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
cdn-edgestorageid
487
x-amz-request-id
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200
cdn-cachedat
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last-modified
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server
BunnyCDN-DE1-487
vary
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content-type
application/ecmascript
cdn-cache
HIT
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cache-control
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cdn-requestid
558d2e97ab84d42b936396a4e947d95f
accept-ranges
bytes
cdn-requestcountrycode
DE
conversion_async.js
www.googleadservices.com/pagead/ 		26 KB
10 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.googleadservices.com/pagead/conversion_async.js
Requested by
Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=AW-796433197
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
172.217.18.98 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
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Software
cafe /
Resource Hash
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Name Value
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
p3p
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status
200
content-disposition
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alt-svc
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content-length
10010
x-xss-protection
0
server
cafe
etag
11725776011496351048
vary
Accept-Encoding
content-type
text/javascript; charset=UTF-8
cache-control
private, max-age=3600
timing-allow-origin
*
expires
Wed, 01 Apr 2020 22:30:58 GMT
pageview
api.sail-track.com/v1/track/event/ 		88 B
431 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://api.sail-track.com/v1/track/event/pageview
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
162.208.117.47 New York, United States, ASN11403 (NYINTERNET, US),
Reverse DNS
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Software
/
Resource Hash
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Request headers

Origin
https://www.edx.org
X-Lib-Version
v0.0.4
Authorization
Bearer ee68b63ccb709723118b3fbf77473a40
Content-Type
application/json
Accept
application/json, text/javascript, */*; q=0.01
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Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Sec-Fetch-Dest
empty

Response headers

Date
Wed, 01 Apr 2020 22:30:58 GMT
allowedOrigins
*
Content-Type
application/json
Access-Control-Allow-Origin
*
Access-Control-Allow-Credentials
true
allowedHeaders
Content-Type,Authorization,X-Requested-With,Content-Length,Accept,Origin
Connection
close
Content-Length
88
allowedMethods
GET,OPTIONS
frame.html
dntcl.qualaroo.com/ Frame AB73 		0
0 		Document
General
Check archive.org
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Full URL
https://dntcl.qualaroo.com/frame.html
Requested by
Host: cl.qualaroo.com
URL: https://cl.qualaroo.com/ki.js/59450/dj_qoo.js
Protocol
H2
Security
TLS 1.3, , AES_256_GCM
Server
2a00:f48:2000:1023::3 , Germany, ASN47447 (TTM, DE),
Reverse DNS
Software
BunnyCDN-DE1-481 /
Resource Hash

Request headers

:method
GET
:authority
dntcl.qualaroo.com
:scheme
https
:path
/frame.html
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
sec-fetch-dest
iframe
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
cross-site
sec-fetch-mode
navigate
referer
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gzip, deflate, br
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1
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Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
iframe
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19

Response headers

status
200
date
Wed, 01 Apr 2020 22:30:58 GMT
content-type
text/html
vary
Accept-Encoding
server
BunnyCDN-DE1-481
cdn-pullzone
99568
cdn-uid
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cdn-requestcountrycode
DE
cdn-edgestorageid
481
last-modified
Fri, 06 Dec 2019 12:46:59 GMT
cache-control
public, max-age=604800
cdn-cachedat
2019-12-06 13:26:19
cdn-requestid
a429e7770e87845519e3a960f0e2e955
cdn-cache
HIT
content-encoding
gzip
log
errors.client.optimizely.com/ 		0
237 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://errors.client.optimizely.com/log
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
34.227.153.53 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
ec2-34-227-153-53.compute-1.amazonaws.com
Software
/
Resource Hash
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
Origin
https://www.edx.org
Sec-Fetch-Dest
empty
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Content-Type
application/json

Response headers

Access-Control-Allow-Origin
https://www.edx.org
Access-Control-Expose-Headers
Access-Control-Allow-Credentials
true
Connection
keep-alive
Date
Wed, 01 Apr 2020 22:30:58 GMT
Content-Type
text/plain
/
googleads.g.doubleclick.net/pagead/viewthroughconversion/796433197/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://googleads.g.doubleclick.net/pagead/viewthroughconversion/796433197/?random=1585780258685&cv=9&fst=1585780258685&num=1&bg=ffffff&guid=ON&resp=GooglemKTybQhCsO&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=120&u_java=false&u_nplug=0&u_nmime=0&gtm=2oa3p1&sendb=1&ig=1&data=event%3Dgtag.config&frm=0&url=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&tiba=edX%20Courses%20%7C%20View%20all%20online%20courses%20on%20edX.org&hn=www.googleadservices.com&async=1&rfmt=3&fmt=4
Requested by
Host: www.googleadservices.com
URL: https://www.googleadservices.com/pagead/conversion_async.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:809::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
613eb0fa6c1652ceaeaa58ea3eaa1958b273f011a6e81cd2df92ae1ba78185d1
Security Headers
Name Value
X-Content-Type-Options nosniff
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Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
script

Response headers

pragma
no-cache
date
Wed, 01 Apr 2020 22:30:58 GMT
content-encoding
gzip
x-content-type-options
nosniff
content-type
text/javascript; charset=UTF-8
server
cafe
p3p
policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
status
200
cache-control
no-cache, must-revalidate
content-disposition
attachment; filename="f.txt"
timing-allow-origin
*
alt-svc
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content-length
1099
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.com/pagead/1p-user-list/796433197/ 		42 B
110 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.com/pagead/1p-user-list/796433197/?random=1585780258685&cv=9&fst=1585778400000&num=1&bg=ffffff&guid=ON&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=120&u_java=false&u_nplug=0&u_nmime=0&gtm=2oa3p1&sendb=1&data=event%3Dgtag.config&frm=0&url=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&tiba=edX%20Courses%20%7C%20View%20all%20online%20courses%20on%20edX.org&async=1&fmt=3&is_vtc=1&random=3921869798&resp=GooglemKTybQhCsO&rmt_tld=0&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:808::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
image

Response headers

pragma
no-cache
date
Wed, 01 Apr 2020 22:30:58 GMT
x-content-type-options
nosniff
content-type
image/gif
server
cafe
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
cache-control
no-cache, no-store, must-revalidate
content-security-policy
script-src 'none'; object-src 'none'
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,h3-T050=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.de/pagead/1p-user-list/796433197/ 		42 B
110 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.google.de/pagead/1p-user-list/796433197/?random=1585780258685&cv=9&fst=1585778400000&num=1&bg=ffffff&guid=ON&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&u_his=2&u_tz=120&u_java=false&u_nplug=0&u_nmime=0&gtm=2oa3p1&sendb=1&data=event%3Dgtag.config&frm=0&url=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&tiba=edX%20Courses%20%7C%20View%20all%20online%20courses%20on%20edX.org&async=1&fmt=3&is_vtc=1&random=3921869798&resp=GooglemKTybQhCsO&rmt_tld=1&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:825::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
image

Response headers

pragma
no-cache
date
Wed, 01 Apr 2020 22:30:58 GMT
x-content-type-options
nosniff
content-type
image/gif
server
cafe
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
status
200
cache-control
no-cache, no-store, must-revalidate
content-security-policy
script-src 'none'; object-src 'none'
timing-allow-origin
*
alt-svc
quic=":443"; ma=2592000; v="46,43",h3-Q050=":443"; ma=2592000,h3-Q049=":443"; ma=2592000,h3-Q048=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,h3-T050=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
simple
api.sail-personalize.com/v1/personalize/ 		288 B
559 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://api.sail-personalize.com/v1/personalize/simple?messageId=19701388.2649758&horizonId=3f16d2adc1346834f0583f187c23f998588fc3b856cf608a7d8b56ba741468b3273af46bbcae38db6630e878
Protocol
HTTP/1.1
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
162.208.117.45 New York, United States, ASN11403 (NYINTERNET, US),
Reverse DNS
162.208.117.45.static.nyinternet.net
Software
/
Resource Hash
aa3c9c0fc5e2feebf48a938b4f9433edc572c8b65f50c9af578eef36afd905ed

Request headers

Accept
application/json, text/javascript, */*; q=0.01
Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
X-Lib-Version
v0.0.4
Sec-Fetch-Dest
empty
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Origin
https://www.edx.org

Response headers

Date
Wed, 01 Apr 2020 22:30:59 GMT
Content-Encoding
gzip
allowedOrigins
*
Vary
Accept-Encoding
Content-Type
application/json
Access-Control-Allow-Origin
*
Access-Control-Allow-Credentials
true
allowedHeaders
Content-Type,Authorization,X-Requested-With,Content-Length,Accept,Origin
Connection
close
allowedMethods
GET,OPTIONS
/
www.facebook.com/tr/ 		44 B
101 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
https://www.facebook.com/tr/?id=1601661033380488&ev=Microdata&dl=https%3A%2F%2Fwww.edx.org%2Fcourse%3Fprogram%3Dall%26utm_source%3Dsailthru%26utm_medium%3Demail%26utm_campaign%3Danantletter_covid19&rl=&if=false&ts=1585780258928&cd[DataLayer]=%5B%5D&cd[Meta]=%7B%22title%22%3A%22edX%20Courses%20%7C%20View%20all%20online%20courses%20on%20edX.org%22%2C%22meta%3Adescription%22%3A%22Find%20online%20courses%20from%20top%20universities.%20Search%20all%20edX%20MOOCs%20from%20Harvard%2C%20MIT%20and%20more%20and%20enroll%20in%20a%20free%20course%20today.%22%7D&cd[OpenGraph]=%7B%22og%3Asite_name%22%3A%22edX%22%2C%22og%3Atype%22%3A%22article%22%2C%22og%3Aurl%22%3A%22%2Fcourse%22%2C%22og%3Atitle%22%3A%22Courses%22%7D&cd[Schema.org]=%5B%7B%22dimensions%22%3A%7B%22h%22%3A151%2C%22w%22%3A1180%7D%2C%22properties%22%3A%7B%7D%2C%22subscopes%22%3A%5B%5D%2C%22type%22%3A%22http%3A%2F%2Fschema.org%2FVideoObject%22%7D%5D&cd[JSON-LD]=%5B%7B%22%40context%22%3A%22http%3A%2F%2Fschema.org%22%2C%22%40graph%22%3A%5B%7B%22%40type%22%3A%22Organization%22%2C%22name%22%3A%22edX%22%2C%22url%22%3A%22https%3A%2F%2Fwww.edx.org%22%2C%22logo%22%3A%22https%3A%2F%2Fwww.edx.org%2Fsites%2Fdefault%2Ffiles%2Ftheme%2Fedx-logo-header.png%22%2C%22sameAs%22%3A%5B%22https%3A%2F%2Fwww.facebook.com%2FedX%22%2C%22https%3A%2F%2Ftwitter.com%2FedXOnline%22%2C%22https%3A%2F%2Fwww.linkedin.com%2Fcompany%2Fedx%22%2C%22https%3A%2F%2Fplus.google.com%2F%2BedXOnline%22%2C%22http%3A%2F%2Fwww.instagram.com%2Fedxonline%22%2C%22https%3A%2F%2Fwww.youtube.com%2Fuser%2Fedxonline%22%5D%7D%5D%7D%5D&sw=1600&sh=1200&v=2.9.15&r=stable&ec=1&o=30&fbp=fb.1.1585780258423.1532105952&it=1585780258382&coo=false&es=automatic&tm=3&rqm=GET
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f11c:8183:face:b00c:0:25de , Ireland, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
10d8d42d73a02ddb877101e72fbfa15a0ec820224d97cedee4cf92d571be5caa
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Referer
https://www.edx.org/course?program=all&utm_source=sailthru&utm_medium=email&utm_campaign=anantletter_covid19
User-Agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36
Sec-Fetch-Dest
image

Response headers

date
Wed, 01 Apr 2020 22:30:58 GMT, Wed, 01 Apr 2020 22:30:58 GMT
last-modified
Fri, 21 Dec 2012 00:00:01 GMT
server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains
content-type
image/gif
status
200
cache-control
no-cache, must-revalidate, max-age=0
alt-svc
h3-27=":443"; ma=3600
content-length
44
expires
Wed, 01 Apr 2020 22:30:58 GMT

Verdicts & Comments Add Verdict or Comment

76 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| onformdata object| onpointerrawupdate object| Drupal undefined| $ function| jQuery object| jQuery183023356696006894695 function| _ object| NREUM object| newrelic function| __nr_require object| analytics object| branch object| Backbone function| webpackJsonp object| core object| __core-js_shared__ function| setImmediate function| clearImmediate object| regeneratorRuntime boolean| _babelPolyfill object| _responsiveMediaHandlers string| GoogleAnalyticsObject function| ga function| normalize object| optimizely object| dataLayer function| Bloodhound object| google_tag_data object| gaplugins object| gaGlobal object| gaData function| postscribe object| google_tag_manager number| iCookieLength string| sCookieName string| sSourceParameterName string| sMediumParameterName string| sPartnerValue string| sCookieDomain function| _getQueryStringValue function| _setCookie number| iCookieLengthDays string| sCampaignParameterName string| sTermParameterName string| sContentParameterName string| sSourceValue string| sMediumeValue string| sCampaignValue undefined| sTermValue undefined| sContentValue object| oCookieContent boolean| PIXELS_RAN object| _hsq object| _paq object| _hsp boolean| _hspb_loaded boolean| _hstc_loaded object| Sailthru boolean| _hspb_ran boolean| _hstc_ran string| __hsUserToken number| expireDateTime object| regex object| footerLanguageSelector function| fbq function| _fbq object| AWIN object| _linkedin_data_partner_ids object| _kiq function| lintrk boolean| _already_called_lintrk object| KI function| GooglemKTybQhCsO function| google_trackConversion object| GooglebQhCsO object| edx

15 Cookies

Domain/Path Name / Value
.edx.org/ Name: __hssc
Value: 23171429.1.1585780258334
.edx.org/ Name: hubspotutk
Value: 899d36f9025cdde7cd23ecef0b7c048a
.edx.org/ Name: __hstc
Value: 23171429.899d36f9025cdde7cd23ecef0b7c048a.1585780258334.1585780258334.1585780258334.1
.edx.org/ Name: prod.edx.utm
Value: {"utm_source":"sailthru","utm_medium":"email","utm_campaign":"anantletter_covid19","created_at":1585780258247}
.edx.org/ Name: _gid
Value: GA1.2.1669315704.1585780258
.edx.org/ Name: ajs_anonymous_id
Value: %224d3a92df-1717-4593-b014-374d2f7e7877%22
.edx.org/ Name: _ga
Value: GA1.2.1195805070.1585780258
.edx.org/ Name: __hssrc
Value: 1
.edx.org/ Name: ajs_group_id
Value: null
www.edx.org/ Name: has_js
Value: 1
.edx.org/ Name: __cfduid
Value: d3d7158ae232616217e1e36f67c9fa1531585780257
.edx.org/ Name: sailthru_hid
Value: 3f16d2adc1346834f0583f187c23f998588fc3b856cf608a7d8b56ba741468b3273af46bbcae38db6630e878
www.edx.org/ Name: prod-edx-cf-loc
Value: DE
.edx.org/ Name: sailthru_bid
Value: 19701388.2649758
.edx.org/ Name: ajs_user_id
Value: null

2 Console Messages

Source Level URL
Text
console-api error URL: https://www.edx.org/sites/all/themes/atedx/scripts/dist/manifest.f61213c9454b13fd4bab.js?q84bpl(Line 1)
Message:
TypeError: Cannot read property 'removeItem' of null
console-api warning URL: https://connect.facebook.net/en_US/fbevents.js(Line 23)
Message:
[Facebook Pixel] - Duplicate Pixel ID: 1601661033380488.

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=2592000
X-Content-Type-Options nosniff
X-Frame-Options SameOrigin

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

ak.sail-horizon.com
api.hubapi.com
api.sail-personalize.com
api.sail-track.com
api.segment.io
api2.branch.io
app.link
bam.nr-data.net
cdn.branch.io
cdn.optimizely.com
cdn.segment.com
cl.qualaroo.com
connect.facebook.net
dntcl.qualaroo.com
errors.client.optimizely.com
fonts.googleapis.com
fonts.gstatic.com
googleads.g.doubleclick.net
js-agent.newrelic.com
js.hs-analytics.net
js.hs-scripts.com
js.hsadspixel.net
link.edx.org
prod-edx-edxapp-assets.edx-cdn.org
px.ads.linkedin.com
snap.licdn.com
stats.g.doubleclick.net
track.hubspot.com
www.dwin1.com
www.edx.org
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googleadservices.com
www.googletagmanager.com
www.linkedin.com
13.225.73.40
13.225.73.5
143.204.99.83
151.101.114.110
162.208.117.45
162.208.117.47
162.247.242.18
172.217.18.98
2600:9000:20eb:6600:19:9934:6a80:93a1
2600:9000:2156:b000:11:f728:3040:93a1
2600:9000:21f3:ee00:f:8ce2:fb80:93a1
2606:4700::6810:a5e4
2606:4700::6810:ef48
2606:4700::6810:fa05
2606:4700::6811:43b0
2606:4700::6811:72b0
2606:4700::6811:c9cc
2606:4700::6811:d6cc
2a00:1450:4001:808::2004
2a00:1450:4001:809::2002
2a00:1450:4001:814::2003
2a00:1450:4001:81c::200e
2a00:1450:4001:81d::2008
2a00:1450:4001:821::200a
2a00:1450:4001:825::2003
2a00:1450:400c:c04::9b
2a00:f48:2000:1023::3
2a02:26f0:6c00:183::13b8
2a02:26f0:eb:3b4::25ea
2a02:6ea0:c710::2
2a03:2880:f01c:8012:face:b00c:0:3
2a03:2880:f11c:8183:face:b00c:0:25de
2a05:f500:10:101::b93f:9105
2a05:f500:11:101::b93f:9001
34.227.153.53
54.218.116.118
052ee5bc87adc6de69d1f9e7f3f7825a731e691ac3b4cafac27882208b95c52c
0727af6215c468a1dc95a26f309d3c46721d84b6980201ad6e2dc69d064ed8a8
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5ee0b1755a6844402e3e47cedc91d335dbcbb61c24c3d96d2d4a5c54b4abb6f5
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6a7d3ee8d70411b3d5fdbc9f698170912eb77cc7bec332b6a5665db6d2ca6413
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d7c3f2fd93cfda0e0d1c97653f365b33676a10d53bfffa631e8d626d9d635c0c
d838b2098a6dde4053f9ccdbbc0f889d4444b5a27da3ee211cd782a8458bb63e
dc111a70984a9eda00752b06277113029ef288f1125c31eff2477413e15e8aa4
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de3d4e74d68c03531344fcd2b416a4661ec16a038d3f626f7e82f326a7f1e18e
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