Submitted URL: http://cs50.harvard.edu/
Effective URL: https://www.edx.org/cs50
Submission: On February 01 via manual from RU — Scanned from DE

Summary

This website contacted 36 IPs in 4 countries across 30 domains to perform 124 HTTP transactions. The main IP is 2606:4700::6810:b254, located in United States and belongs to CLOUDFLARENET, US. The main domain is www.edx.org. The Cisco Umbrella rank of the primary domain is 120898.
TLS certificate: Issued by Cloudflare Inc ECC CA-3 on June 13th 2022. Valid for: a year.
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
2 2 54.83.232.233 14618 (AMAZON-AES)
1 1 143.204.215.12 16509 (AMAZON-02)
36 2606:4700::68... 13335 (CLOUDFLAR...)
10 2606:4700::68... 13335 (CLOUDFLAR...)
10 143.204.215.78 16509 (AMAZON-02)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 151.101.66.137 54113 (FASTLY)
2 162.247.241.14 23467 (NEWRELIC-...)
6 2a00:1450:400... 15169 (GOOGLE)
5 2a00:1450:400... 15169 (GOOGLE)
1 143.204.215.75 16509 (AMAZON-02)
4 44.239.126.203 16509 (AMAZON-02)
1 2600:9000:205... 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
1 35.186.249.72 15169 (GOOGLE)
1 2600:9000:214... 16509 (AMAZON-02)
1 2606:4700::68... 13335 (CLOUDFLAR...)
4 52.20.246.48 14618 (AMAZON-AES)
1 23.0.215.168 16625 (AKAMAI-AS)
2 2600:9000:206... 16509 (AMAZON-02)
1 54.166.161.164 14618 (AMAZON-AES)
5 2a00:1450:400... 15169 (GOOGLE)
5 2a00:1450:400... 15169 (GOOGLE)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700:440... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
3 2606:4700::68... 13335 (CLOUDFLAR...)
1 2606:4700::68... 13335 (CLOUDFLAR...)
4 2a03:2880:f02... 32934 (FACEBOOK)
1 2a02:26f0:350... 20940 (AKAMAI-ASN1)
4 2a00:1450:400... 15169 (GOOGLE)
1 2600:9000:206... 16509 (AMAZON-02)
2 2 2620:109:c002... 14413 (LINKEDIN)
1 1 2620:1ec:21::14 8068 (MICROSOFT...)
1 13.107.42.14 8068 (MICROSOFT...)
4 2a03:2880:f12... 32934 (FACEBOOK)
124 36
Apex Domain
Subdomains
Transfer
37 edx.org
edx.org — Cisco Umbrella Rank: 73890
www.edx.org — Cisco Umbrella Rank: 120898
1 MB
14 segment.io
cdn.segment.io — Cisco Umbrella Rank: 13716
api.segment.io — Cisco Umbrella Rank: 1013
93 KB
10 cookielaw.org
cdn.cookielaw.org — Cisco Umbrella Rank: 385
137 KB
6 optimizely.com
errors.client.optimizely.com — Cisco Umbrella Rank: 7072
a1706490390.cdn.optimizely.com — Cisco Umbrella Rank: 170685
logx.optimizely.com — Cisco Umbrella Rank: 1266
2 KB
6 googletagmanager.com
www.googletagmanager.com — Cisco Umbrella Rank: 40
343 KB
5 google.de
www.google.de — Cisco Umbrella Rank: 5986
886 B
5 google.com
www.google.com — Cisco Umbrella Rank: 2
886 B
5 doubleclick.net
stats.g.doubleclick.net — Cisco Umbrella Rank: 78
googleads.g.doubleclick.net — Cisco Umbrella Rank: 29
5 KB
5 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 21
20 KB
4 facebook.com
www.facebook.com — Cisco Umbrella Rank: 107
317 B
4 linkedin.com
px.ads.linkedin.com — Cisco Umbrella Rank: 353
www.linkedin.com — Cisco Umbrella Rank: 575
px4.ads.linkedin.com — Cisco Umbrella Rank: 6074
4 KB
4 facebook.net
connect.facebook.net — Cisco Umbrella Rank: 146
265 KB
4 hubspot.com
track.hubspot.com — Cisco Umbrella Rank: 2152
api.hubspot.com — Cisco Umbrella Rank: 4596
forms.hubspot.com — Cisco Umbrella Rank: 2937
3 KB
3 branch.io
cdn.branch.io — Cisco Umbrella Rank: 987
api2.branch.io — Cisco Umbrella Rank: 646
23 KB
2 nr-data.net
bam.nr-data.net — Cisco Umbrella Rank: 208
1019 B
2 harvard.edu
cs50.harvard.edu — Cisco Umbrella Rank: 406397
939 B
1 oribi.io
cdn.linkedin.oribi.io — Cisco Umbrella Rank: 814
377 B
1 licdn.com
snap.licdn.com — Cisco Umbrella Rank: 707
5 KB
1 hubapi.com
api.hubapi.com — Cisco Umbrella Rank: 3237
971 B
1 usemessages.com
js.usemessages.com — Cisco Umbrella Rank: 4498
21 KB
1 hs-banner.com
js.hs-banner.com — Cisco Umbrella Rank: 2011
63 KB
1 hs-analytics.net
js.hs-analytics.net — Cisco Umbrella Rank: 2004
22 KB
1 hsleadflows.net
js.hsleadflows.net — Cisco Umbrella Rank: 4028
87 KB
1 hsadspixel.net
js.hsadspixel.net — Cisco Umbrella Rank: 2974
3 KB
1 hs-scripts.com
js.hs-scripts.com — Cisco Umbrella Rank: 2109
966 B
1 dwin1.com
www.dwin1.com — Cisco Umbrella Rank: 3553
12 KB
1 impactcdn.com
utt.impactcdn.com — Cisco Umbrella Rank: 5425
13 KB
1 app.link
app.link — Cisco Umbrella Rank: 1801
592 B
1 newrelic.com
js-agent.newrelic.com — Cisco Umbrella Rank: 314
17 KB
1 onetrust.com
geolocation.onetrust.com — Cisco Umbrella Rank: 630
303 B
124 30
Domain Requested by
36 www.edx.org www.edx.org
10 cdn.segment.io www.edx.org
10 cdn.cookielaw.org www.edx.org
6 www.googletagmanager.com www.edx.org
5 www.google.de
5 www.google.com
5 www.google-analytics.com www.edx.org
4 www.facebook.com
4 googleads.g.doubleclick.net www.edx.org
4 connect.facebook.net www.edx.org
4 errors.client.optimizely.com www.edx.org
4 api.segment.io www.edx.org
2 px.ads.linkedin.com 2 redirects
2 api.hubspot.com www.edx.org
2 api2.branch.io www.edx.org
2 bam.nr-data.net www.edx.org
2 cs50.harvard.edu 2 redirects
1 px4.ads.linkedin.com
1 www.linkedin.com 1 redirects
1 cdn.linkedin.oribi.io www.edx.org
1 snap.licdn.com www.edx.org
1 forms.hubspot.com www.edx.org
1 api.hubapi.com www.edx.org
1 track.hubspot.com
1 js.usemessages.com www.edx.org
1 js.hs-banner.com www.edx.org
1 js.hs-analytics.net www.edx.org
1 js.hsleadflows.net www.edx.org
1 js.hsadspixel.net www.edx.org
1 logx.optimizely.com www.edx.org
1 a1706490390.cdn.optimizely.com www.edx.org
1 js.hs-scripts.com www.edx.org
1 www.dwin1.com www.edx.org
1 utt.impactcdn.com www.edx.org
1 stats.g.doubleclick.net www.edx.org
1 app.link www.edx.org
1 cdn.branch.io www.edx.org
1 js-agent.newrelic.com www.edx.org
1 geolocation.onetrust.com www.edx.org
1 edx.org 1 redirects
124 40
Subject Issuer Validity Valid
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3
2022-06-13 -
2023-06-13
a year crt.sh
cookielaw.org
Cloudflare Inc ECC CA-3
2022-05-01 -
2023-05-01
a year crt.sh
*.segment.com
Amazon
2022-12-13 -
2024-01-12
a year crt.sh
onetrust.com
Cloudflare Inc ECC CA-3
2022-12-13 -
2023-12-13
a year crt.sh
js-agent.newrelic.com
GlobalSign Atlas R3 DV TLS CA 2022 Q2
2022-07-10 -
2023-08-11
a year crt.sh
*.nr-data.net
DigiCert TLS RSA SHA256 2020 CA1
2022-11-18 -
2023-12-19
a year crt.sh
*.google-analytics.com
GTS CA 1C3
2023-01-09 -
2023-04-03
3 months crt.sh
*.branch.io
Amazon
2022-10-11 -
2023-11-09
a year crt.sh
*.segment.io
Amazon
2023-01-11 -
2024-02-10
a year crt.sh
appipv4.link
Amazon
2022-05-25 -
2023-06-23
a year crt.sh
*.g.doubleclick.net
GTS CA 1C3
2023-01-09 -
2023-04-03
3 months crt.sh
utt.impactcdn.com
GTS CA 1D4
2023-01-29 -
2023-04-29
3 months crt.sh
*.dwin1.com
Amazon
2022-11-03 -
2023-12-01
a year crt.sh
errors.client.optimizely.com
Amazon
2022-07-05 -
2023-08-02
a year crt.sh
*.cdn.optimizely.com
DigiCert TLS RSA SHA256 2020 CA1
2022-06-03 -
2023-06-07
a year crt.sh
logx.optimizely.com
Amazon
2022-07-24 -
2023-08-22
a year crt.sh
www.google.com
GTS CA 1C3
2023-01-09 -
2023-04-03
3 months crt.sh
www.google.de
GTS CA 1C3
2023-01-09 -
2023-04-03
3 months crt.sh
hubspot.com
Cloudflare Inc ECC CA-3
2022-03-08 -
2023-03-07
a year crt.sh
hubapi.com
Cloudflare Inc ECC CA-3
2022-05-07 -
2023-05-07
a year crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA
2022-11-11 -
2023-02-09
3 months crt.sh
snap.licdn.com
DigiCert SHA2 Secure Server CA
2022-03-01 -
2023-03-01
a year crt.sh
linkedin.oribi.io
Amazon
2022-07-07 -
2023-08-06
a year crt.sh

This page contains 5 frames:

Primary Page: https://www.edx.org/cs50
Frame ID: 23A03F453E30D4677C3E821C943A66C4
Requests: 118 HTTP requests in this frame

Frame: https://a1706490390.cdn.optimizely.com/client_storage/a1706490390.html
Frame ID: B236E8ADE50B4F5B7EF4159CBEDA67F8
Requests: 1 HTTP requests in this frame

Frame: https://www.facebook.com/tr/
Frame ID: A83829B90EC7AAF5E9DA4A1577A3663E
Requests: 1 HTTP requests in this frame

Frame: https://www.facebook.com/tr/
Frame ID: 322749F3E7C4830F8DDD6E05088DEAAD
Requests: 1 HTTP requests in this frame

Frame: https://www.facebook.com/tr/
Frame ID: 350BA49EE0D8A0277E5350A5A532F4D2
Requests: 1 HTTP requests in this frame

Screenshot

Page Title

CS50: Computer Science Courses and Programs from Harvard | edXBack ButtonSearch IconFilter Icon

Page URL History Show full URLs

  1. http://cs50.harvard.edu/ HTTP 301
    https://cs50.harvard.edu/ HTTP 302
    https://edx.org/cs50 HTTP 301
    https://www.edx.org/cs50 Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • dwin1\.com

Overall confidence: 100%
Detected patterns
  • //connect\.facebook\.([a-z]+)/[^/]*/[a-z]*\.js

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js

Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/gtm\.js
  • googletagmanager\.com/gtag/js

Overall confidence: 100%
Detected patterns
  • js\.hs-analytics\.net/analytics

Overall confidence: 100%
Detected patterns
  • snap\.licdn\.com/li\.lms-analytics/insight\.min\.js

Overall confidence: 100%
Detected patterns
  • cdn\.cookielaw\.org

Page Statistics

124
Requests

99 %
HTTPS

69 %
IPv6

30
Domains

40
Subdomains

36
IPs

4
Countries

2293 kB
Transfer

8848 kB
Size

29
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. http://cs50.harvard.edu/ HTTP 301
    https://cs50.harvard.edu/ HTTP 302
    https://edx.org/cs50 HTTP 301
    https://www.edx.org/cs50 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 109
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=469226%2C533266&time=1675291949539&url=https%3A%2F%2Fwww.edx.org%2Fcs50 HTTP 302
  • https://www.linkedin.com/px/li_sync?redirect=https%3A%2F%2Fpx.ads.linkedin.com%2Fcollect%3Fv%3D2%26fmt%3Djs%26pid%3D469226%252C533266%26time%3D1675291949539%26url%3Dhttps%253A%252F%252Fwww.edx.org%252Fcs50%26liSync%3Dtrue HTTP 302
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=469226%2C533266&time=1675291949539&url=https%3A%2F%2Fwww.edx.org%2Fcs50&liSync=true HTTP 302
  • https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=469226%2C533266&time=1675291949539&url=https%3A%2F%2Fwww.edx.org%2Fcs50&liSync=true&e_ipv6=AQIp_G0NaLBaqQAAAYYPLnzAQA0mqM610GP_qNT285NaAxfmfUefqsZK7XkFKxkYMafevAgJ

124 HTTP transactions

Resource
Path
Size
x-fer
Type
MIME-Type
Primary Request cs50
www.edx.org/
Redirect Chain
  • http://cs50.harvard.edu/
  • https://cs50.harvard.edu/
  • https://edx.org/cs50
  • https://www.edx.org/cs50
557 KB
102 KB
Document
General
Full URL
https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:b254 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
780d1ace609df19a8f3a6472256185461827040f945398bcb81854375a5babed
Security Headers
Name Value
Strict-Transport-Security max-age=2592000
X-Frame-Options DENY

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

cache-control
public, max-age=1800
cf-cache-status
REVALIDATED
cf-ray
792e41dd1d3f9bee-FRA
content-encoding
gzip
content-type
text/html
date
Wed, 01 Feb 2023 22:52:24 GMT
etag
W/"63dac435-82522"
last-modified
Wed, 01 Feb 2023 19:57:41 GMT
server
cloudflare
strict-transport-security
max-age=2592000
vary
Accept-Encoding
x-frame-options
DENY

Redirect headers

age
31899
content-length
0
date
Wed, 01 Feb 2023 14:00:46 GMT
location
https://www.edx.org/cs50
server
AmazonS3
via
1.1 3f6fbf009bb5cf969f92ba2e59576614.cloudfront.net (CloudFront)
x-amz-cf-id
Pq2hgMZG4mgmaZYt0ENx0MN3zy3E3cU_MGW-u8rd9Clm9bhwtXYDEg==
x-amz-cf-pop
FRA53-C1
x-cache
Hit from cloudfront
fa169e97-be64-4cc1-bad3-9534590f9a30.json
cdn.cookielaw.org/consent/fa169e97-be64-4cc1-bad3-9534590f9a30/
4 KB
2 KB
XHR
General
Full URL
https://cdn.cookielaw.org/consent/fa169e97-be64-4cc1-bad3-9534590f9a30/fa169e97-be64-4cc1-bad3-9534590f9a30.json
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
9e2c8791e89f92167387502a14e03ac0a6dce6e9033045e1cb6f29092d0cdd77
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 01 Feb 2023 22:52:25 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
RXlRvafhac3Z/FPixClwHw==
age
30103
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
1621
x-ms-lease-status
unlocked
last-modified
Fri, 20 Jan 2023 14:24:51 GMT
server
cloudflare
etag
0x8DAFAF217E0C7D3
vary
Accept-Encoding
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
d6633955-901e-017e-6fda-2c017c000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Cache-Control,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
public, max-age=86400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
792e41e08f309b80-FRA
expires
Thu, 02 Feb 2023 22:52:25 GMT
primary-fonts.css
www.edx.org/fonts/
637 B
424 B
Stylesheet
General
Full URL
https://www.edx.org/fonts/primary-fonts.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:b254 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
23718bd8babfe86d2fa41ada3073285d1629e14c47b1392b6c9b87fbfca1955a
Security Headers
Name Value
Strict-Transport-Security max-age=2592000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/cs50
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Wed, 01 Feb 2023 22:52:25 GMT
content-encoding
gzip
strict-transport-security
max-age=2592000
last-modified
Wed, 01 Feb 2023 19:55:43 GMT
server
cloudflare
cf-cache-status
HIT
age
8421
etag
W/"63dac3bf-27d"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=31536000, immutable
accept-ranges
bytes
cf-ray
792e41e048519bee-FRA
content-length
253
async-fonts.css
www.edx.org/fonts/
938 B
436 B
Stylesheet
General
Full URL
https://www.edx.org/fonts/async-fonts.css
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:b254 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
b3fe20e074c0b25e7ea0da71bcb9a0c2ffa30245e8e281dfbcd1dea637468a97
Security Headers
Name Value
Strict-Transport-Security max-age=2592000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/cs50
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Wed, 01 Feb 2023 22:52:25 GMT
content-encoding
gzip
strict-transport-security
max-age=2592000
last-modified
Wed, 01 Feb 2023 19:55:43 GMT
server
cloudflare
cf-cache-status
HIT
age
8421
etag
W/"63dac3bf-3aa"
vary
Accept-Encoding
content-type
text/css
cache-control
public, max-age=31536000, immutable
accept-ranges
bytes
cf-ray
792e41e048539bee-FRA
content-length
359
CardListModule-f22f6b9e0d80e4c65f06.js
www.edx.org/
9 KB
4 KB
Script
General
Full URL
https://www.edx.org/CardListModule-f22f6b9e0d80e4c65f06.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:b254 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
97008b5c55f2d8997224a9e63d9143f39f2cf2c82708d942c37e490a23107252
Security Headers
Name Value
Strict-Transport-Security max-age=2592000

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/cs50
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Wed, 01 Feb 2023 22:52:25 GMT
content-encoding
gzip
strict-transport-security
max-age=2592000
last-modified
Wed, 01 Feb 2023 19:52:01 GMT
server
cloudflare
cf-cache-status
HIT
age
7686
etag
W/"63dac2e1-2255"
vary
Accept-Encoding
content-type
application/javascript
cache-control
public, max-age=31536000, immutable
accept-ranges
bytes
cf-ray
792e41e048559bee-FRA
content-length
3477
TextModule-d172b6be1fd2a563d99d.js
www.edx.org/
4 KB
2 KB
Script
General
Full URL
https://www.edx.org/TextModule-d172b6be1fd2a563d99d.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:b254 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
71550f7f3df9e2be998c59bdf9d45ed64cd08f1ce565124dbe59825670e3fc72
Security Headers
Name Value
Strict-Transport-Security max-age=2592000

Request headers

accept-language
de-DE,de;q=0.9
Referer
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Response headers

date
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content-encoding
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strict-transport-security
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Response headers

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strict-transport-security
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Response headers

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AmazonS3 /
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

x-amz-version-id
o9jTIpmwPEvq759ss7xtFhupnmyIUDp_
Content-Encoding
gzip
Via
1.1 4809763494a078a525dc1a2dff5ddf6c.cloudfront.net (CloudFront)
Date
Wed, 01 Feb 2023 22:35:12 GMT
X-Amz-Cf-Pop
FRA53-C1
Age
1043
Transfer-Encoding
chunked
X-Cache
Hit from cloudfront
x-amz-replication-status
COMPLETED
Connection
keep-alive
Last-Modified
Thu, 26 Jan 2023 16:42:24 GMT
Server
AmazonS3
ETag
W/"aec7de7d55f39e5c8ae10ad57701abf8"
Access-Control-Max-Age
3000
Access-Control-Allow-Methods
GET, HEAD
Content-Type
application/json; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
public, max-age=10800
Vary
Accept-Encoding
X-Amz-Cf-Id
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50 B
161 B
XHR
General
Full URL
https://www.edx.org/page-data/app-data.json
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:b254 , 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-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/cs50
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Wed, 01 Feb 2023 22:52:25 GMT
content-encoding
gzip
strict-transport-security
max-age=2592000
last-modified
Wed, 01 Feb 2023 19:55:43 GMT
server
cloudflare
cf-cache-status
HIT
age
1135
etag
W/"63dac3bf-32"
vary
Accept-Encoding
x-frame-options
DENY
content-type
application/json
cache-control
public, max-age=1800
accept-ranges
bytes
cf-ray
792e41e2aa929bee-FRA
content-length
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page-data.json
www.edx.org/page-data/cs50/
19 KB
3 KB
XHR
General
Full URL
https://www.edx.org/page-data/cs50/page-data.json
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:b254 , 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-Frame-Options DENY

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/cs50
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Wed, 01 Feb 2023 22:52:25 GMT
content-encoding
gzip
strict-transport-security
max-age=2592000
last-modified
Wed, 01 Feb 2023 19:55:56 GMT
server
cloudflare
cf-cache-status
REVALIDATED
etag
W/"63dac3cc-4cec"
vary
Accept-Encoding
x-frame-options
DENY
content-type
application/json
cache-control
public, max-age=1800
accept-ranges
bytes
cf-ray
792e41e2aa939bee-FRA
content-length
3456
nr-spa-1212.min.js
js-agent.newrelic.com/
44 KB
17 KB
Script
General
Full URL
https://js-agent.newrelic.com/nr-spa-1212.min.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
151.101.66.137 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

x-amz-version-id
wY72Ah.NJX5KzzqRFK3uhSo3Jh07tDe4
content-encoding
gzip
via
1.1 varnish
date
Wed, 01 Feb 2023 22:52:25 GMT
x-amz-request-id
QF0K20R1ZXGMKYP8
x-cache
HIT
cross-origin-resource-policy
cross-origin
content-length
16636
x-amz-id-2
hWmBESh0z9jUmT/FAbPQCWRhmixm2j/yU2pIVwAdbwg++8L3jdpW4wHcFwqcKT8IAwZc+8f7KCA=
x-served-by
cache-hhn-etou8220088-HHN
last-modified
Thu, 04 Nov 2021 21:16:16 GMT
server
AmazonS3
x-timer
S1675291945.480163,VS0,VE0
etag
"8bd93bf0ecb2f4e971a2055a41402bb6"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=7200, stale-if-error=604800
accept-ranges
bytes
x-cache-hits
105
otBannerSdk.js
cdn.cookielaw.org/scripttemplates/202211.1.0/
383 KB
92 KB
Script
General
Full URL
https://cdn.cookielaw.org/scripttemplates/202211.1.0/otBannerSdk.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9440 , 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
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 01 Feb 2023 22:52:25 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
9qSRvp3H9roScfT6qXUxeQ==
age
50645
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
93485
x-ms-lease-status
unlocked
last-modified
Thu, 15 Dec 2022 13:30:03 GMT
server
cloudflare
etag
0x8DADEA07933BD54
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
x-ms-request-id
e3dbcf52-f01e-014c-2807-1159ac000000
access-control-expose-headers
x-ms-request-id,Server,x-ms-version,Content-Type,Content-Encoding,Last-Modified,ETag,Content-MD5,x-ms-lease-status,x-ms-blob-type,Content-Length,Date,Transfer-Encoding
cache-control
max-age=86400
x-ms-version
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accept-ranges
bytes
cf-ray
792e41e33fd9bb7a-FRA
ajs-destination.bundle.2cd9e450202b69d545a3.js
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9 KB
4 KB
Script
General
Full URL
https://cdn.segment.io/analytics-next/bundles/ajs-destination.bundle.2cd9e450202b69d545a3.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
143.204.215.78 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-215-78.fra53.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Thu, 19 Jan 2023 00:23:58 GMT
x-amz-version-id
A1xguUK7JDhnUW2fuEgaZh7VHtJ5.r5D
Content-Encoding
gzip
Via
1.1 d16428714e022976873ccc980fdc1288.cloudfront.net (CloudFront)
X-Amz-Cf-Pop
FRA53-C1
Age
1204108
Transfer-Encoding
chunked
X-Cache
Hit from cloudfront
x-amz-replication-status
COMPLETED
Connection
keep-alive
Last-Modified
Thu, 19 Jan 2023 00:07:18 GMT
Server
AmazonS3
ETag
W/"cc39e85781964199cd0d9501c897e385"
Access-Control-Max-Age
3000
Access-Control-Allow-Methods
GET, HEAD
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
public,max-age=31536000,immutable
Vary
Accept-Encoding
X-Amz-Cf-Id
QOC81-3sMB-Na2usNuja_a35wXAZ-9ak1oDYyN9W96LNJ1mY4e0VRw==
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2 KB
2 KB
Script
General
Full URL
https://cdn.segment.io/analytics-next/bundles/schemaFilter.bundle.d0fc84c62e956d168cce.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
143.204.215.78 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-215-78.fra53.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Thu, 19 Jan 2023 00:23:59 GMT
x-amz-version-id
CgnlwozqOQH4j7ELGrqX7swnGI5zz4Qn
Content-Encoding
gzip
Via
1.1 d16428714e022976873ccc980fdc1288.cloudfront.net (CloudFront)
X-Amz-Cf-Pop
FRA53-C1
Age
1204107
Transfer-Encoding
chunked
X-Cache
Hit from cloudfront
x-amz-replication-status
COMPLETED
Connection
keep-alive
Last-Modified
Thu, 19 Jan 2023 00:07:18 GMT
Server
AmazonS3
ETag
W/"d6985af1d6ad9e8c2f97f24f7b27306e"
Access-Control-Max-Age
3000
Access-Control-Allow-Methods
GET, HEAD
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
public,max-age=31536000,immutable
Vary
Accept-Encoding
X-Amz-Cf-Id
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1beac94c95
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49 B
620 B
Script
General
Full URL
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Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
162.247.241.14 Lake Oswego, United States, ASN23467 (NEWRELIC-AS-1, US),
Reverse DNS
Software
cloudflare /
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Wed, 01 Feb 2023 22:52:25 GMT
Content-Encoding
gzip
CF-Cache-Status
DYNAMIC
Server
cloudflare
Transfer-Encoding
chunked
access-control-allow-methods
GET, POST, PUT, HEAD, OPTIONS
Content-Type
text/javascript
Access-Control-Allow-Origin
*
Vary
Accept-Encoding
access-control-allow-credentials
true
Cross-Origin-Resource-Policy
cross-origin
Connection
keep-alive
CF-Ray
792e41e48ba02c5e-FRA
google-tag-manager.dynamic.js.gz
cdn.segment.io/next-integrations/integrations/google-tag-manager/2.5.1/
3 KB
2 KB
Script
General
Full URL
https://cdn.segment.io/next-integrations/integrations/google-tag-manager/2.5.1/google-tag-manager.dynamic.js.gz
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
143.204.215.78 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-215-78.fra53.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
61e30021b4f5466e1a6c9d4599b100c1e72f4c6162dc3d656bc3ed7dae00bb89

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Wed, 18 May 2022 23:38:47 GMT
Content-Encoding
gzip
Via
1.1 d16428714e022976873ccc980fdc1288.cloudfront.net (CloudFront)
x-amz-version-id
9cmQ6vBFlznGSfak5xk87maln5FFqFux
X-Amz-Cf-Pop
FRA53-C1
Age
22374819
X-Cache
Hit from cloudfront
Connection
keep-alive
Content-Length
1344
Last-Modified
Tue, 17 May 2022 00:03:02 GMT
Server
AmazonS3
ETag
"e0f5b8ec276a05ac7b57aac9ddb79cdc"
Access-Control-Max-Age
3000
Access-Control-Allow-Methods
GET, HEAD
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
public,max-age=31536000,immutable
Accept-Ranges
bytes
X-Amz-Cf-Id
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google-analytics.dynamic.js.gz
cdn.segment.io/next-integrations/integrations/google-analytics/2.18.5/
16 KB
5 KB
Script
General
Full URL
https://cdn.segment.io/next-integrations/integrations/google-analytics/2.18.5/google-analytics.dynamic.js.gz
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
143.204.215.78 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-215-78.fra53.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Sat, 03 Sep 2022 11:44:46 GMT
Content-Encoding
gzip
Via
1.1 d16428714e022976873ccc980fdc1288.cloudfront.net (CloudFront)
x-amz-version-id
CQZi2zdIPlB0ALuhgJqwCRDFm3fBvzQO
X-Amz-Cf-Pop
FRA53-C1
Age
13086460
X-Cache
Hit from cloudfront
Connection
keep-alive
Content-Length
4745
Last-Modified
Mon, 08 Aug 2022 17:49:05 GMT
Server
AmazonS3
ETag
"725c9394a3f4482000e7a1a42aaceb41"
Access-Control-Max-Age
3000
Access-Control-Allow-Methods
GET, HEAD
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
public,max-age=31536000,immutable
Accept-Ranges
bytes
X-Amz-Cf-Id
mO_sN5_gwdQLCnSqsV-_XkyO3ZQyRU2mccoMignbZeHWhLUdJqeMbA==
optimizely.dynamic.js.gz
cdn.segment.io/next-integrations/integrations/optimizely/3.5.1/
7 KB
3 KB
Script
General
Full URL
https://cdn.segment.io/next-integrations/integrations/optimizely/3.5.1/optimizely.dynamic.js.gz
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
143.204.215.78 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-215-78.fra53.r.cloudfront.net
Software
AmazonS3 /
Resource Hash
cae962a70d36874622214e00e5f0da33974facafc55fb443757d8615359c413a

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

Date
Mon, 07 Nov 2022 09:58:45 GMT
Content-Encoding
gzip
Via
1.1 269bfdd288bfea5423a4e9e701777da6.cloudfront.net (CloudFront)
x-amz-version-id
BxdDVP501OQQFxCI57Ivzbxv7iDVTL4q
X-Amz-Cf-Pop
FRA53-C1
Age
7476821
X-Cache
Hit from cloudfront
Connection
keep-alive
Content-Length
2586
Last-Modified
Mon, 24 Oct 2022 18:48:00 GMT
Server
AmazonS3
ETag
"6ac19b71da72b08483644c17ed6a4986"
Access-Control-Max-Age
3000
Access-Control-Allow-Methods
GET, HEAD
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
public,max-age=31536000,immutable
Accept-Ranges
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X-Amz-Cf-Id
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en.json
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93 KB
17 KB
Fetch
General
Full URL
https://cdn.cookielaw.org/consent/fa169e97-be64-4cc1-bad3-9534590f9a30/ccf21ff0-2298-4b7d-93b5-aece3b31738f/en.json
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:9440 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
3101ad349881802cdaf926284df82ce2c609b2ebd6fb0a204cc4de5c744a6990
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

x-ms-blob-type
BlockBlob
date
Wed, 01 Feb 2023 22:52:25 GMT
content-encoding
gzip
x-content-type-options
nosniff
cf-cache-status
HIT
content-md5
SF0wIXwzcMXDlgb/QQadUA==
age
29685
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
16789
x-ms-lease-status
unlocked
last-modified
Fri, 20 Jan 2023 14:24:52 GMT
server
cloudflare
etag
0x8DAFAF21840B406
vary
Accept-Encoding
content-type
application/x-javascript
access-control-allow-origin
*
x-ms-request-id
7e7f435c-301e-0055-77da-2c3391000000
access-control-expose-headers
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cache-control
public, max-age=86400
x-ms-version
2009-09-19
accept-ranges
bytes
cf-ray
792e41e3fa1a9b80-FRA
expires
Thu, 02 Feb 2023 22:52:25 GMT
commons.54701049fd6fb8497e9e.js.gz
cdn.segment.io/next-integrations/integrations/vendor/
73 KB
22 KB
Script
General
Full URL
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date
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content-encoding
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Response headers

date
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content-encoding
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strict-transport-security
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server
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Response headers

date
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content-encoding
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Response headers

date
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content-encoding
gzip
strict-transport-security
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last-modified
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server
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Response headers

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content-encoding
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Response headers

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Response headers

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content-encoding
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content-encoding
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Response headers

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Response headers

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Response headers

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content-encoding
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100 KB
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General
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Security
TLS 1.3, , AES_128_GCM
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strict-transport-security
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4 B
207 B
XHR
General
Full URL
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Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
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Software
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Security Headers
Name Value
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Request headers

Referer
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User-Agent
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Response headers

pragma
no-cache
date
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x-content-type-options
nosniff
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server
Golfe2
content-type
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cache-control
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expires
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t
api.segment.io/v1/
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171 B
Fetch
General
Full URL
https://api.segment.io/v1/t
Requested by
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URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
44.239.126.203 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
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Name Value
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Request headers

Referer
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accept-language
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User-Agent
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Content-Type
text/plain

Response headers

access-control-allow-origin
https://www.edx.org
date
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strict-transport-security
max-age=31536000
content-length
21
vary
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content-type
application/json
collect
www.google-analytics.com/
35 B
132 B
Image
General
Full URL
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2a00:1450:4001:831::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
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Software
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Name Value
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Request headers

accept-language
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User-Agent
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Response headers

pragma
no-cache
date
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x-content-type-options
nosniff
last-modified
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server
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content-type
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content-length
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expires
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t
api.segment.io/v1/
21 B
172 B
Fetch
General
Full URL
https://api.segment.io/v1/t
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
44.239.126.203 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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/
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Security Headers
Name Value
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Request headers

Referer
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accept-language
de-DE,de;q=0.9
User-Agent
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Content-Type
text/plain

Response headers

access-control-allow-origin
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date
Wed, 01 Feb 2023 22:52:28 GMT
strict-transport-security
max-age=31536000
content-length
21
vary
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content-type
application/json
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35 B
91 B
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Full URL
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Software
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Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
https://www.edx.org/
User-Agent
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Response headers

pragma
no-cache
date
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x-content-type-options
nosniff
last-modified
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server
Golfe2
age
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content-type
image/gif
access-control-allow-origin
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cache-control
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cross-origin-resource-policy
cross-origin
alt-svc
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content-length
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expires
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p
api.segment.io/v1/
21 B
171 B
Fetch
General
Full URL
https://api.segment.io/v1/p
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
44.239.126.203 Boardman, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
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Software
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Security Headers
Name Value
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Request headers

Referer
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accept-language
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User-Agent
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Content-Type
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Response headers

access-control-allow-origin
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date
Wed, 01 Feb 2023 22:52:28 GMT
strict-transport-security
max-age=31536000
content-length
21
vary
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938 B
418 B
Stylesheet
General
Full URL
https://www.edx.org/fonts/async-fonts.css
Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2606:4700::6810:b254 , United States, ASN13335 (CLOUDFLARENET, US),
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Software
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Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
https://www.edx.org/cs50
User-Agent
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Response headers

date
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content-encoding
gzip
strict-transport-security
max-age=2592000
last-modified
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server
cloudflare
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cf-ray
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_r
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91 B
592 B
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Full URL
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Requested by
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URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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2600:9000:2057:3600:19:9934:6a80:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
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Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
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Referer
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User-Agent
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Response headers

date
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strict-transport-security
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x-content-type-options
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server
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x-amz-cf-pop
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etag
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x-cache
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x-amz-cf-id
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collect
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4 B
347 B
XHR
General
Full URL
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Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:400c:c09::9a Brussels, Belgium, ASN15169 (GOOGLE, US),
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Software
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Resource Hash
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Security Headers
Name Value
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Request headers

Referer
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accept-language
de-DE,de;q=0.9
User-Agent
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Response headers

pragma
no-cache
strict-transport-security
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date
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x-content-type-options
nosniff
last-modified
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server
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content-type
text/plain
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cache-control
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cross-origin-resource-policy
cross-origin
alt-svc
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content-length
4
expires
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41 KB
13 KB
Script
General
Full URL
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Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
35.186.249.72 Kansas City, United States, ASN15169 (GOOGLE, US),
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Software
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Resource Hash
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Request headers

accept-language
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Response headers

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content-encoding
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alt-svc
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server
UploadServer
etag
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accept-ranges
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expires
Wed, 01 Feb 2023 22:56:11 GMT
6798.js
www.dwin1.com/
40 KB
12 KB
Script
General
Full URL
https://www.dwin1.com/6798.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:214f:ea00:f:8ce2:fb80:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
AmazonS3 /
Resource Hash
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Request headers

accept-language
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https://www.edx.org/
User-Agent
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Response headers

x-amz-version-id
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content-encoding
gzip
via
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date
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x-amz-cf-pop
FRA53-C1
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x-cache
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x-amz-replication-status
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last-modified
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server
AmazonS3
etag
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vary
Accept-Encoding
access-control-allow-methods
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content-type
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*
cache-control
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x-amz-cf-id
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4982103.js
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2 KB
966 B
Script
General
Full URL
https://js.hs-scripts.com/4982103.js
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6811:d2cc , United States, ASN13335 (CLOUDFLARENET, US),
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Software
cloudflare /
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
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Response headers

date
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content-encoding
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cf-cache-status
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last-modified
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server
cloudflare
x-hubspot-correlation-id
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x-trace
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vary
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access-control-max-age
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content-type
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cache-control
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cf-ray
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expires
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https://www.edx.org/fonts/inter-latin-500-normal.woff2
Requested by
Host: www.edx.org
URL: https://www.edx.org/fonts/async-fonts.css
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strict-transport-security
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Response headers

date
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strict-transport-security
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accept-language
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User-Agent
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Access-Control-Allow-Origin
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Response headers

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Response headers

pragma
no-cache
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x-content-type-options
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server
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access-control-allow-origin
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TLS 1.2, ECDHE_RSA, AES_128_GCM
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Request headers

Referer
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accept-language
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User-Agent
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Content-Type
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Response headers

access-control-allow-origin
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strict-transport-security
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vary
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XHR
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Full URL
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Requested by
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TLS 1.3, , AES_128_GCM
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Request headers

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User-Agent
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Response headers

date
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via
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strict-transport-security
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Full URL
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Response headers

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Server
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Full URL
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Protocol
HTTP/1.1
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Server
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Response headers

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Response headers

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Request headers

accept-language
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Referer
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User-Agent
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Response headers

pragma
no-cache
date
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x-content-type-options
nosniff
server
cafe
content-type
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p3p
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ga-audiences
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Image
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Security Headers
Name Value
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Response headers

pragma
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date
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x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
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cache-control
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api2.branch.io/v1/
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433 B
XHR
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Full URL
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Security
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Request headers

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accept-language
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User-Agent
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Response headers

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strict-transport-security
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Protocol
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Response headers

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x-cache
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server
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543 KB
87 KB
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Security
TLS 1.3, , AES_128_GCM
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accept-language
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x-amz-version-id
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72 KB
22 KB
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Full URL
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Requested by
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202 KB
63 KB
Script
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Full URL
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73 KB
21 KB
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Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
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Response headers

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strict-transport-security
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Security
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Resource Hash
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strict-transport-security
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strict-transport-security
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cf-ray
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128 KB
50 KB
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vary
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x-frame-options
DENY
content-type
application/x-javascript; charset=utf-8
origin-agent-cluster
?0
cache-control
public, max-age=1200
expires
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1601661033380488
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381 KB
109 KB
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General
Full URL
https://connect.facebook.net/signals/config/1601661033380488?v=2.9.95&r=stable
Requested by
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f02d:12:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
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Security Headers
Name Value
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Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

content-security-policy
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content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; preload; includeSubDomains
date
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document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
111015
x-fb-rlafr
0
x-xss-protection
0
pragma
public
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cross-origin-opener-policy
same-origin-allow-popups
vary
Accept-Encoding
x-frame-options
DENY
content-type
application/x-javascript; charset=utf-8
origin-agent-cluster
?0
cache-control
public, max-age=1200
expires
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token
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36 B
377 B
XHR
General
Full URL
https://cdn.linkedin.oribi.io/partner/469226,533266/domain/edx.org/token
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:206f:8600:2:53b2:240:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
/
Resource Hash
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Request headers

Accept
*
Referer
https://www.edx.org/
accept-language
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User-Agent
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Response headers

date
Wed, 01 Feb 2023 22:46:24 GMT
content-encoding
gzip
via
1.1 c888f786e25e6e3c7dbb7e9da462d714.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA56-C1
age
365
vary
accept-encoding
x-cache
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content-type
application/json
access-control-allow-origin
*
cache-control
public, max-age=3600
x-amz-cf-id
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collect
px4.ads.linkedin.com/
Redirect Chain
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0
264 B
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General
Full URL
https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=469226%2C533266&time=1675291949539&url=https%3A%2F%2Fwww.edx.org%2Fcs50&liSync=true&e_ipv6=AQIp_G0NaLBaqQAAAYYPLnzAQA0mqM610GP_qNT285NaAxfmfUefqsZK7XkFKxkYMafevAgJ
Protocol
H2
Server
13.107.42.14 , United States, ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US),
Reverse DNS
Software
/
Resource Hash
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Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

date
Wed, 01 Feb 2023 22:52:30 GMT
x-li-pop
afd-prod-lva1-x
x-msedge-ref
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linkedin-action
1
x-cache
CONFIG_NOCACHE
content-type
application/javascript
x-li-fabric
prod-lva1
x-li-proto
http/2
content-length
0
x-li-uuid
AAXzq02bpp8g5GyX6LPMYg==

Redirect headers

Date
Wed, 01 Feb 2023 22:52:30 GMT
Server
Play
X-Li-Pop
prod-lva1-x
LinkedIn-Action
1
X-Li-Fabric
prod-lva1
Location
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X-LI-Proto
http/1.1
Connection
keep-alive
content-length
0
X-LI-UUID
AAXzq02XP03j2qB239RdXg==
/
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42 B
154 B
Image
General
Full URL
https://www.google.com/pagead/1p-user-list/699406420/?random=1675291949302&cv=11&fst=1675288800000&bg=ffffff&guid=ON&async=1&gtm=2oa1u0&u_w=1600&u_h=1200&frm=0&url=https%3A%2F%2Fwww.edx.org%2Fcs50&tiba=CS50%3A%20Computer%20Science%20Courses%20and%20Programs%20from%20Harvard%20%7C%20edX&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=2952512287&rmt_tld=0&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 01 Feb 2023 22:52:29 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":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/699406420/
42 B
154 B
Image
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 01 Feb 2023 22:52:29 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.com/pagead/1p-user-list/955717393/
42 B
108 B
Image
General
Full URL
https://www.google.com/pagead/1p-user-list/955717393/?random=1675291949383&cv=11&fst=1675288800000&bg=ffffff&guid=ON&async=1&gtm=2oa1u0&u_w=1600&u_h=1200&frm=0&url=https%3A%2F%2Fwww.edx.org%2Fcs50&tiba=CS50%3A%20Computer%20Science%20Courses%20and%20Programs%20from%20Harvard%20%7C%20edX&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=3233985048&rmt_tld=0&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
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Security Headers
Name Value
Content-Security-Policy script-src 'none'; object-src 'none'
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 01 Feb 2023 22:52:29 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":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/955717393/
42 B
108 B
Image
General
Full URL
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Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::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

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 01 Feb 2023 22:52:29 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.com/pagead/1p-user-list/796433197/
42 B
108 B
Image
General
Full URL
https://www.google.com/pagead/1p-user-list/796433197/?random=1675291949418&cv=11&fst=1675288800000&bg=ffffff&guid=ON&async=1&gtm=2oa1u0&u_w=1600&u_h=1200&frm=0&url=https%3A%2F%2Fwww.edx.org%2Fcs50&tiba=CS50%3A%20Computer%20Science%20Courses%20and%20Programs%20from%20Harvard%20%7C%20edX&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=2175172052&rmt_tld=0&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::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

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 01 Feb 2023 22:52:29 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":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
108 B
Image
General
Full URL
https://www.google.de/pagead/1p-user-list/796433197/?random=1675291949418&cv=11&fst=1675288800000&bg=ffffff&guid=ON&async=1&gtm=2oa1u0&u_w=1600&u_h=1200&frm=0&url=https%3A%2F%2Fwww.edx.org%2Fcs50&tiba=CS50%3A%20Computer%20Science%20Courses%20and%20Programs%20from%20Harvard%20%7C%20edX&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=2175172052&rmt_tld=1&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::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

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 01 Feb 2023 22:52:29 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.com/pagead/1p-user-list/699340611/
42 B
108 B
Image
General
Full URL
https://www.google.com/pagead/1p-user-list/699340611/?random=1675291949476&cv=11&fst=1675288800000&bg=ffffff&guid=ON&async=1&gtm=2oa1u0&u_w=1600&u_h=1200&frm=0&url=https%3A%2F%2Fwww.edx.org%2Fcs50&tiba=CS50%3A%20Computer%20Science%20Courses%20and%20Programs%20from%20Harvard%20%7C%20edX&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=132702362&rmt_tld=0&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82a::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

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 01 Feb 2023 22:52:29 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":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/699340611/
42 B
108 B
Image
General
Full URL
https://www.google.de/pagead/1p-user-list/699340611/?random=1675291949476&cv=11&fst=1675288800000&bg=ffffff&guid=ON&async=1&gtm=2oa1u0&u_w=1600&u_h=1200&frm=0&url=https%3A%2F%2Fwww.edx.org%2Fcs50&tiba=CS50%3A%20Computer%20Science%20Courses%20and%20Programs%20from%20Harvard%20%7C%20edX&data=event%3Dgtag.config&fmt=3&is_vtc=1&random=132702362&rmt_tld=1&ipr=y
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::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

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

pragma
no-cache
date
Wed, 01 Feb 2023 22:52:29 GMT
content-security-policy
script-src 'none'; object-src 'none'
x-content-type-options
nosniff
server
cafe
content-type
image/gif
p3p
policyref="https://www.googleadservices.com/pagead/p3p.xml", CP="NOI DEV PSA PSD IVA IVD OTP OUR OTR IND OTC"
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
timing-allow-origin
*
alt-svc
h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
347669330028828
connect.facebook.net/signals/config/
377 KB
108 KB
Script
General
Full URL
https://connect.facebook.net/signals/config/347669330028828?v=2.9.95&r=stable
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
2a03:2880:f02d:12:face:b00c:0:3 Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
/
Resource Hash
1c8d492782c40657a5fa686108541ce57496ba25c8f6df4d4686c2183b1a2ed1
Security Headers
Name Value
Content-Security-Policy default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
Strict-Transport-Security max-age=31536000; preload; includeSubDomains
X-Content-Type-Options nosniff
X-Frame-Options DENY
X-Xss-Protection 0

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

content-security-policy
default-src facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com data: blob: 'self';script-src *.fbcdn.net *.facebook.net 'unsafe-inline' 'unsafe-eval' blob: data: 'self';style-src data: blob: 'unsafe-inline' facebook.net *.facebook.net fbcdn.net *.fbcdn.net fbsbx.com *.fbsbx.com;connect-src *.fbcdn.net *.facebook.net wss://*.fbcdn.net attachment.fbsbx.com blob: 'self';block-all-mixed-content;upgrade-insecure-requests;report-uri https://www.facebook.com/csp/reporting/?m=c&minimize=0;
content-encoding
gzip
x-content-type-options
nosniff
strict-transport-security
max-age=31536000; preload; includeSubDomains
date
Wed, 01 Feb 2023 22:52:29 GMT
document-policy
force-load-at-top
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
110243
x-fb-rlafr
0
x-xss-protection
0
pragma
public
x-fb-debug
jUpiFtgiq1aRSzLMOjusLu5qDy+qtcN54giAOQu1qZ13d+4TfFrx3rq3Ra11/8M9FaN88Go8IU8me40rfP3Yyg==
cross-origin-opener-policy
same-origin-allow-popups
vary
Accept-Encoding
x-frame-options
DENY
content-type
application/x-javascript; charset=utf-8
cache-control
public, max-age=1200
priority
u=3,i
expires
Sat, 01 Jan 2000 00:00:00 GMT
/
www.facebook.com/tr/
0
31 B
Image
General
Full URL
https://www.facebook.com/tr/?id=347669330028828&ev=PageView&dl=https%3A%2F%2Fwww.edx.org%2Fcs50&rl=&if=false&ts=1675291949863&sw=1600&sh=1200&ud[external_id]=5c4140e86c5ab393a918c0466f7a6111&v=2.9.95&r=stable&a=tmhubspot&ec=0&o=30&fbp=fb.1.1675291949833.1330095861&it=1675291949517&coo=false&rqm=GET
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f12d:83:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

accept-language
de-DE,de;q=0.9
Referer
https://www.edx.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36

Response headers

strict-transport-security
max-age=31536000; includeSubDomains
date
Wed, 01 Feb 2023 22:52:29 GMT
server
proxygen-bolt
content-type
text/plain
access-control-allow-origin
access-control-allow-credentials
true
cross-origin-resource-policy
cross-origin
alt-svc
h3=":443"; ma=86400
content-length
0
/
www.facebook.com/tr/ Frame A838
0
201 B
Document
General
Full URL
https://www.facebook.com/tr/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f12d:83:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Content-Type
application/x-www-form-urlencoded
Origin
https://www.edx.org
Referer
https://www.edx.org/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

access-control-allow-credentials
true
access-control-allow-origin
https://www.edx.org
alt-svc
h3=":443"; ma=86400
content-length
0
content-type
text/plain
cross-origin-resource-policy
cross-origin
date
Wed, 01 Feb 2023 22:52:29 GMT
server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains
/
www.facebook.com/tr/ Frame 3227
0
54 B
Document
General
Full URL
https://www.facebook.com/tr/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f12d:83:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Content-Type
application/x-www-form-urlencoded
Origin
https://www.edx.org
Referer
https://www.edx.org/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

access-control-allow-credentials
true
access-control-allow-origin
https://www.edx.org
alt-svc
h3=":443"; ma=86400
content-length
0
content-type
text/plain
cross-origin-resource-policy
cross-origin
date
Wed, 01 Feb 2023 22:52:30 GMT
server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains
/
www.facebook.com/tr/ Frame 350B
0
31 B
Document
General
Full URL
https://www.facebook.com/tr/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a03:2880:f12d:83:face:b00c:0:25de Frankfurt am Main, Germany, ASN32934 (FACEBOOK, US),
Reverse DNS
Software
proxygen-bolt /
Resource Hash
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Security Headers
Name Value
Strict-Transport-Security max-age=31536000; includeSubDomains

Request headers

Content-Type
application/x-www-form-urlencoded
Origin
https://www.edx.org
Referer
https://www.edx.org/
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36
accept-language
de-DE,de;q=0.9

Response headers

access-control-allow-credentials
true
access-control-allow-origin
https://www.edx.org
alt-svc
h3=":443"; ma=86400
content-length
0
content-type
text/plain
cross-origin-resource-policy
cross-origin
date
Wed, 01 Feb 2023 22:52:30 GMT
server
proxygen-bolt
strict-transport-security
max-age=31536000; includeSubDomains
1beac94c95
bam.nr-data.net/events/1/
24 B
399 B
XHR
General
Full URL
https://bam.nr-data.net/events/1/1beac94c95?a=190328954&sa=1&v=1212.e95d35c&t=Unnamed%20Transaction&rst=7064&ck=1&ref=https://www.edx.org/cs50
Requested by
Host: www.edx.org
URL: https://www.edx.org/cs50
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
162.247.241.14 Lake Oswego, United States, ASN23467 (NEWRELIC-AS-1, US),
Reverse DNS
Software
cloudflare /
Resource Hash
0c9cf152a0ad00d4f102c93c613c104914be5517ac8f8e0831727f8bfbe8b300

Request headers

Referer
https://www.edx.org/
accept-language
de-DE,de;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.119 Safari/537.36
content-type
text/plain

Response headers

Date
Wed, 01 Feb 2023 22:52:30 GMT
CF-Cache-Status
DYNAMIC
Server
cloudflare
Vary
Accept-Encoding
access-control-allow-methods
GET, POST, PUT, HEAD, OPTIONS
Content-Type
image/gif
Access-Control-Allow-Origin
https://www.edx.org
access-control-allow-credentials
true
Connection
keep-alive
CF-Ray
792e420219902c5e-FRA
Content-Length
24

Verdicts & Comments Add Verdict or Comment

132 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| 0 object| 1 object| 2 object| oncontentvisibilityautostatechange object| OneTrustStub function| OptanonWrapper object| analytics object| NREUM object| newrelic function| __nr_require string| pagePath string| ___webpackCompilationHash object| ___chunkMapping object| __LOADABLE_LOADED_CHUNKS__ object| webpackChunk_segment_analytics_next string| analyticsWriteKey object| __SEGMENT_INSPECTOR__ object| AnalyticsNext object| asyncRequires object| ___emitter object| ___loader function| ___push function| ___replace function| ___navigate string| OnetrustActiveGroups string| OptanonActiveGroups object| dataLayer object| otStubData object| google-tag-managerDeps function| google-tag-managerLoader object| google-analyticsDeps function| google-analyticsLoader object| Optanon object| OneTrust object| optimizelyDeps function| optimizelyLoader object| webpackJsonp_name_Integration function| setImmediate function| clearImmediate function| google-tag-managerIntegration function| google-analyticsIntegration string| GoogleAnalyticsObject function| ga function| normalize function| optimizelyIntegration object| optimizely object| google_tag_data object| gaplugins object| gaGlobal object| gaData object| FontAwesomeConfig object| ___FONT_AWESOME___ object| regeneratorRuntime object| __core-js_shared__ object| core object| ___gatsbyIntl object| branch object| google_tag_manager function| postscribe object| google_tag_manager_external number| iCookieLengthDays string| sCookieName string| sSourceParameterName string| sMediumParameterName string| sCampaignParameterName string| sTermParameterName string| sContentParameterName string| sCookieDomain function| _getQueryStringValue function| _setCookie undefined| sSourceValue undefined| sMediumeValue undefined| sCampaignValue undefined| sTermValue undefined| sContentValue undefined| oCookieContent function| getCookie undefined| returningUserCookie string| ire_o function| ire undefined| _ function| setCookie number| startTime number| duration object| experimentVariables function| ImpactRadiusEvent object| irEvent object| AWIN object| Sha256 object| Utf8 function| AwinCustomEvent object| _hsp boolean| PIXELS_RAN object| enabledEventSettings object| _hsq object| _paq function| sanitizeKey boolean| _hstc_ran string| __hsUserToken number| expireDateTime object| regex boolean| _hstc_loaded boolean| hubspot_live_messages_running object| HubSpotConversations object| globalRoot undefined| hns function| bindToWindowOnError function| defineProperties object| leadflows object| hubspot function| OutpostErrorReporter function| _registerAvailablePopup object| _availablePopups boolean| popupPoliceActive undefined| hns2 undefined| jade undefined| I18n undefined| Pikaday undefined| reqwest undefined| exports undefined| define boolean| LEAD_FLOWS_RAN boolean| COMMON_SETUP_RAN boolean| _hspb_loaded boolean| _hspb_ran boolean| LEAD_FLOW_DOCUMENT_READY_RAN function| fbq function| _fbq object| _linkedin_data_partner_ids object| GooglebQhCsO function| lintrk boolean| _already_called_lintrk

29 Cookies

Domain/Path Name / Value
cs50.harvard.edu/ Name: AWSELB
Value: 87A977831CCB8735569D38F617FB21A11B10C5039F28EBB145194F6F5ADFD69E527E57A7D222BF82CDBBBA2168D6C679B0600449D554B5913FBFC6B093D2F93D4EF8C2266D
.edx.org/ Name: prod-edx-cf-loc
Value: DE
.edx.org/ Name: OptanonConsent
Value: isGpcEnabled=0&datestamp=Wed+Feb+01+2023+22%3A52%3A25+GMT%2B0000+(GMT)&version=202211.1.0&isIABGlobal=false&hosts=&landingPath=https%3A%2F%2Fwww.edx.org%2Fcs50&groups=C0001%3A1%2CC0003%3A0%2CC0002%3A0%2CC0004%3A0
.edx.org/ Name: _ga
Value: GA1.2.1752438802.1675291946
.edx.org/ Name: _gid
Value: GA1.2.190448803.1675291946
.nr-data.net/ Name: JSESSIONID
Value: 6cd5fcb214967986
.edx.org/ Name: ajs_anonymous_id
Value: cf54ed94-65ba-47e8-81aa-65e9453b6f1f
.edx.org/ Name: _gat
Value: 1
.edx.org/ Name: _gcl_au
Value: 1.1.283500209.1675291947
.edx.org/ Name: optimizelyEndUserId
Value: oeu1675291946749r0.08326872287980858
.edx.org/ Name: IR_gbd
Value: edx.org
.edx.org/ Name: IR_17728
Value: 1675291946852%7C0%7C1675291946852%7C%7C
.app.link/ Name: _s
Value: euwd3a68xI7dyQgsYx%2FafkVCklu6bOejzSGbMQQBxsQJUvnxiPKXOZf2ise4vegF
.hubspot.com/ Name: __cf_bm
Value: rNxzjCv9EuNJInM8SHsOpNLEWerUWCo4FwstxIYY15U-1675291948-0-AR+ypDSfVlI4l/toT1RDr55N5O9TUwCbfjWpE2dz+/CFH+4uRJRYQbg4wiO1KRfWssWmnru/Tv2zBf3Wg3VXRsg=
.edx.org/ Name: __hstc
Value: 23171429.5c4140e86c5ab393a918c0466f7a6111.1675291948530.1675291948530.1675291948530.1
.edx.org/ Name: hubspotutk
Value: 5c4140e86c5ab393a918c0466f7a6111
.edx.org/ Name: __hssrc
Value: 1
.edx.org/ Name: __hssc
Value: 23171429.1.1675291948531
.doubleclick.net/ Name: test_cookie
Value: CheckForPermission
.edx.org/ Name: _fbp
Value: fb.1.1675291949833.1330095861
www.edx.org/ Name: ln_or
Value: eyI0NjkyMjYsNTMzMjY2IjoiZCJ9
.linkedin.com/ Name: UserMatchHistory
Value: AQJjP01ljrilYgAAAYYPLntMuoXW2OSztOPx8yZgUcDRzJkbQ-AdQHEGRTDQvtjgcU_-6NG3Rh6jDA
.linkedin.com/ Name: AnalyticsSyncHistory
Value: AQKAuiYf1pjk8gAAAYYPLntMDuulGH7kTlqFkDEPypS_ZygnyGwhkRprJP31SP55tp2dcl0Z-RpYcfnoaOofow
.ads.linkedin.com/ Name: lang
Value: v=2&lang=en-us
.linkedin.com/ Name: bcookie
Value: "v=2&afefe32f-fb10-4571-8977-eee719cc669a"
.linkedin.com/ Name: lidc
Value: "b=VGST03:s=V:r=V:a=V:p=V:g=2782:u=1:x=1:i=1675291949:t=1675378349:v=2:sig=AQEMu8okKbYy8EiRP3lZYWJ7a_XhyKQB"
.linkedin.com/ Name: lang
Value: v=2&lang=de-de
.www.linkedin.com/ Name: bscookie
Value: "v=1&2023020122523057c042f5-a4aa-4829-87ad-b658585d5f35AQGfwphSUw-sUZBmzMmpwU07NtcMTEuh"
.linkedin.com/ Name: li_gc
Value: MTswOzE2NzUyOTE5NTA7MjswMjEUNErJXzskQKEYoj8OD0H/WaMZlcH9RlTUemtu8JV5Tg==

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-Frame-Options DENY

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.

a1706490390.cdn.optimizely.com
api.hubapi.com
api.hubspot.com
api.segment.io
api2.branch.io
app.link
bam.nr-data.net
cdn.branch.io
cdn.cookielaw.org
cdn.linkedin.oribi.io
cdn.segment.io
connect.facebook.net
cs50.harvard.edu
edx.org
errors.client.optimizely.com
forms.hubspot.com
geolocation.onetrust.com
googleads.g.doubleclick.net
js-agent.newrelic.com
js.hs-analytics.net
js.hs-banner.com
js.hs-scripts.com
js.hsadspixel.net
js.hsleadflows.net
js.usemessages.com
logx.optimizely.com
px.ads.linkedin.com
px4.ads.linkedin.com
snap.licdn.com
stats.g.doubleclick.net
track.hubspot.com
utt.impactcdn.com
www.dwin1.com
www.edx.org
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
www.linkedin.com
13.107.42.14
143.204.215.12
143.204.215.75
143.204.215.78
151.101.66.137
162.247.241.14
23.0.215.168
2600:9000:2057:3600:19:9934:6a80:93a1
2600:9000:206f:8600:2:53b2:240:93a1
2600:9000:206f:e800:11:f728:3040:93a1
2600:9000:214f:ea00:f:8ce2:fb80:93a1
2606:4700:4400::6812:21ab
2606:4700::6810:9440
2606:4700::6810:b254
2606:4700::6811:44b0
2606:4700::6811:72b0
2606:4700::6811:cccc
2606:4700::6811:d2cc
2606:4700::6811:e6cc
2606:4700::6811:eecc
2606:4700::6812:1b55
2606:4700::6813:9a53
2606:4700::6813:9b53
2620:109:c002::6cae:a14
2620:1ec:21::14
2a00:1450:4001:811::2002
2a00:1450:4001:82a::2004
2a00:1450:4001:82f::2003
2a00:1450:4001:82f::2008
2a00:1450:4001:831::200e
2a00:1450:400c:c09::9a
2a02:26f0:3500:16::215:14a0
2a03:2880:f02d:12:face:b00c:0:3
2a03:2880:f12d:83:face:b00c:0:25de
35.186.249.72
44.239.126.203
52.20.246.48
54.166.161.164
54.83.232.233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