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openstax.org Open in urlscan Pro
143.204.202.110  Public Scan

Go To Rescan Add Verdict Report
URL: https://openstax.org/details/books/calculus-volume-1
Submission: On May 02 via manual from US
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 23 IPs in 3 countries across 20 domains to perform 47 HTTP transactions. The main IP is 143.204.202.110, located in United States and belongs to AMAZON-02, US. The main domain is openstax.org.
TLS certificate: Issued by Go Daddy Secure Certificate Authority... on February 4th 2020. Valid for: 2 years.
This is the only time openstax.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 15 143.204.202.110 16509 (AMAZON-02)
1 2a00:1450:400... 15169 (GOOGLE)
4 2606:4700::68... 13335 (CLOUDFLAR...)
1 65.9.84.90 16509 (AMAZON-02)
2 2a03:2880:f01... 32934 (FACEBOOK)
2 2a03:2880:f11... 32934 (FACEBOOK)
1 2a00:1450:400... 15169 (GOOGLE)
3 2a00:1450:400... 15169 (GOOGLE)
1 52.2.71.84 14618 (AMAZON-AES)
1 2606:4700::68... 13335 (CLOUDFLAR...)
3 52.21.178.134 14618 (AMAZON-AES)
1 2a02:26f0:6c0... 20940 (AKAMAI-ASN1)
1 142.250.186.162 15169 (GOOGLE)
1 199.232.136.157 54113 (FASTLY)
2 2600:9000:210... 16509 (AMAZON-02)
2 2 2620:119:50e3... 14413 (LINKEDIN)
1 1 2620:1ec:21::14 8068 (MICROSOFT...)
1 108.174.10.14 14413 (LINKEDIN)
1 2a00:1450:400... 15169 (GOOGLE)
1 104.244.42.195 13414 (TWITTER)
1 104.244.42.5 13414 (TWITTER)
2 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
1 2a00:1450:400... 15169 (GOOGLE)
1 2a04:4e42:3::622 54113 (FASTLY)
47 23
15    143.204.202.110 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-143-204-202-110.fra53.r.cloudfront.net
openstax.org
1    2a00:1450:4001:811::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
4    2606:4700::6813:9408 (United States)

ASN13335 (CLOUDFLARENET, US)
script.crazyegg.com
1    65.9.84.90 (United States)

ASN16509 (AMAZON-02, US)
js.pulseinsights.com
2    2a03:2880:f01c:8012:face:b00c:0:3 (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
connect.facebook.net
2    2a03:2880:f11c:8183:face:b00c:0:25de (Frankfurt am Main, Germany)

ASN32934 (FACEBOOK, US)
www.facebook.com
1    2a00:1450:4001:813::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
3    2a00:1450:4001:82b::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    52.2.71.84 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-2-71-84.compute-1.amazonaws.com
accounts.openstax.org
1    2606:4700::6811:e14e (United States)

ASN13335 (CLOUDFLARENET, US)
fast.fonts.net
3    52.21.178.134 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: pi0-lba1-2-ue1.aws.pardot.com
pi.pardot.com
www2.openstax.org
1    2a02:26f0:6c00:2b0::25ea (Frankfurt am Main, Germany)

ASN20940 (AKAMAI-ASN1, NL)
snap.licdn.com
1    142.250.186.162 (United States)

ASN15169 (GOOGLE, US)
PTR: fra24s08-in-f2.1e100.net
www.googleadservices.com
1    199.232.136.157 (Frankfurt am Main, Germany)

ASN54113 (FASTLY, US)
static.ads-twitter.com
2    2600:9000:2104:4000:11:8a36:7200:93a1 (United States)

ASN16509 (AMAZON-02, US)
cdn.abrankings.com
2    2620:119:50e3:101::6cae:b45 (United States)

ASN14413 (LINKEDIN, US)
px.ads.linkedin.com
1    2620:1ec:21::14 (United States)

ASN8068 (MICROSOFT-CORP-MSN-AS-BLOCK, US)
www.linkedin.com
1    108.174.10.14 (United States)

ASN14413 (LINKEDIN, US)
PTR: 108-174-10-14.fwd.linkedin.com
px4.ads.linkedin.com
1    2a00:1450:400c:c02::9c (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    104.244.42.195 (United States)

ASN13414 (TWITTER, US)
analytics.twitter.com
1    104.244.42.5 (United States)

ASN13414 (TWITTER, US)
t.co
2    2a00:1450:4001:80e::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
2    2a00:1450:4001:830::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.de
1    2a00:1450:4001:80f::2002 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
googleads.g.doubleclick.net
1    2a04:4e42:3::622 (United States)

ASN54113 (FASTLY, US)
fast.wistia.com
Domain Requested by
15 openstax.org 2 redirects openstax.org
4 script.crazyegg.com openstax.org
script.crazyegg.com
4 www.google-analytics.com openstax.org
www.google-analytics.com
www.googletagmanager.com
2 www.google.de
2 www.google.com
2 px.ads.linkedin.com 2 redirects
2 cdn.abrankings.com www.googletagmanager.com
cdn.abrankings.com
2 pi.pardot.com openstax.org
pi.pardot.com
2 www.facebook.com openstax.org
2 connect.facebook.net openstax.org
connect.facebook.net
1 fast.wistia.com pi.pardot.com
1 www2.openstax.org pi.pardot.com
1 googleads.g.doubleclick.net www.googleadservices.com
1 t.co
1 analytics.twitter.com static.ads-twitter.com
1 stats.g.doubleclick.net www.google-analytics.com
1 px4.ads.linkedin.com
1 www.linkedin.com 1 redirects
1 static.ads-twitter.com www.googletagmanager.com
1 www.googleadservices.com www.googletagmanager.com
1 snap.licdn.com www.googletagmanager.com
1 fast.fonts.net openstax.org
1 accounts.openstax.org openstax.org
1 www.googletagmanager.com openstax.org
1 js.pulseinsights.com openstax.org
47 25

This site contains no links.

Subject Issuer Validity Valid
*.openstax.org
Go Daddy Secure Certificate Authority - G2		 2020-02-04 -
2022-04-04		 2 years crt.sh
*.google-analytics.com
GTS CA 1C3		 2021-04-13 -
2021-07-06		 3 months crt.sh
sni.cloudflaressl.com
Cloudflare Inc ECC CA-3		 2020-06-09 -
2021-06-09		 a year crt.sh
js.pulseinsights.com
Amazon		 2021-04-07 -
2022-05-06		 a year crt.sh
*.facebook.com
DigiCert SHA2 High Assurance Server CA		 2021-04-06 -
2021-07-03		 3 months crt.sh
pi.pardot.com
DigiCert SHA2 Secure Server CA		 2020-12-05 -
2021-12-04		 a year crt.sh
*.licdn.com
DigiCert SHA2 Secure Server CA		 2021-04-30 -
2022-05-11		 a year crt.sh
www.googleadservices.com
GTS CA 1C3		 2021-04-13 -
2021-07-06		 3 months crt.sh
ads-twitter.com
DigiCert SHA2 High Assurance Server CA		 2020-08-14 -
2021-08-19		 a year crt.sh
cdn.abrankings.com
Amazon		 2020-06-16 -
2021-07-16		 a year crt.sh
px.ads.linkedin.com
DigiCert SHA2 Secure Server CA		 2021-04-15 -
2021-10-15		 6 months crt.sh
*.g.doubleclick.net
GTS CA 1O1		 2021-04-13 -
2021-07-06		 3 months crt.sh
*.twitter.com
DigiCert TLS RSA SHA256 2020 CA1		 2021-02-05 -
2022-02-04		 a year crt.sh
t.co
DigiCert TLS RSA SHA256 2020 CA1		 2021-02-05 -
2022-02-04		 a year crt.sh
www.google.com
GTS CA 1C3		 2021-04-13 -
2021-07-06		 3 months crt.sh
www.google.de
GTS CA 1C3		 2021-04-13 -
2021-07-06		 3 months crt.sh
*.google.com
GTS CA 1C3		 2021-04-13 -
2021-07-06		 3 months crt.sh
*.google.de
GTS CA 1C3		 2021-04-13 -
2021-07-06		 3 months crt.sh
www2.openstax.org
R3		 2021-03-12 -
2021-06-10		 3 months crt.sh
fast.wistia.com
GlobalSign Atlas R3 DV TLS CA 2020		 2021-03-22 -
2022-04-23		 a year crt.sh

This page contains 1 frames:

Primary Page: https://openstax.org/details/books/calculus-volume-1
Frame ID: BEF3CC5E77A172018818AF43325E221A
Requests: 47 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Detected technologies

Overall confidence: 100%
Detected patterns
  • headers server /nginx(?:\/([\d.]+))?/i
Overall confidence: 100%
Detected patterns
  • headers via /\(CloudFront\)$/i
Overall confidence: 100%
Detected patterns
  • headers via /\(CloudFront\)$/i
Overall confidence: 100%
Detected patterns
  • script /script\.crazyegg\.com\/pages\/scripts\/\d+\/\d+\.js/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

Page Statistics

47
Requests

100 %
HTTPS

64 %
IPv6

20
Domains

25
Subdomains

23
IPs

3
Countries

948 kB
Transfer

4082 kB
Size

5
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 6
  • https://openstax.org/apps/cms/api/books/?format=json HTTP 302
  • https://openstax.org/apps/cms/api/v2/pages/30/
Request Chain 19
  • https://openstax.org/apps/cms/api/books/?format=json HTTP 302
  • https://openstax.org/apps/cms/api/v2/pages/30/
Request Chain 33
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=2138978&time=1619977500669&url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1 HTTP 302
  • https://www.linkedin.com/px/li_sync?redirect=https%3A%2F%2Fpx.ads.linkedin.com%2Fcollect%3Fv%3D2%26fmt%3Djs%26pid%3D2138978%26time%3D1619977500669%26url%3Dhttps%253A%252F%252Fopenstax.org%252Fdetails%252Fbooks%252Fcalculus-volume-1%26liSync%3Dtrue HTTP 302
  • https://px.ads.linkedin.com/collect?v=2&fmt=js&pid=2138978&time=1619977500669&url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1&liSync=true HTTP 302
  • https://px4.ads.linkedin.com/collect?v=2&fmt=js&pid=2138978&time=1619977500669&url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1&liSync=true&e_ipv6=AQJwyKaeppDSiAAAAXkuLvmOY5h4sqLRITauX_Rn6fHbOIeC9xZb8Fh1gW1y2TXUAcYFwgrt

47 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request calculus-volume-1
openstax.org/details/books/ 		7 KB
3 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://openstax.org/details/books/calculus-volume-1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.202.110 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-202-110.fra53.r.cloudfront.net
Software
nginx /
Resource Hash
501f0383e815639f2771febfd79b93a78e13d39f91c5e58bc4e591355d03c28a
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

:method
GET
:authority
openstax.org
:scheme
https
:path
/details/books/calculus-volume-1
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,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
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
accept-language
en-US
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

content-type
text/html
date
Sun, 02 May 2021 17:44:58 GMT
server
nginx
last-modified
Wed, 21 Apr 2021 22:05:15 GMT
etag
W/"6080a19b-1b03"
strict-transport-security
max-age=31536000
content-encoding
gzip
x-cache
Miss from cloudfront
via
1.1 d16428714e022976873ccc980fdc1289.cloudfront.net (CloudFront)
x-amz-cf-pop
FRA53-C1
x-amz-cf-id
gxn7dgPMObo5cZXDXmbB_D3VoYf-6t1tbWL4aGRsbVDwY4AKzM1FHw==
5b1fbd62-45dc-4433-a7df-a2b24a146411.woff2
openstax.org/cms/assets/fonts/ 		17 KB
18 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://openstax.org/cms/assets/fonts/5b1fbd62-45dc-4433-a7df-a2b24a146411.woff2
Requested by
Host: openstax.org
URL: https://openstax.org/details/books/calculus-volume-1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.202.110 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-202-110.fra53.r.cloudfront.net
Software
nginx /
Resource Hash
0415958f00e0405cd409d616d701590ce2dd8562e258be3f2e83482480d137f9
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

:path
/cms/assets/fonts/5b1fbd62-45dc-4433-a7df-a2b24a146411.woff2
pragma
no-cache
origin
https://openstax.org
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
sec-fetch-mode
cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
font
:authority
openstax.org
referer
https://openstax.org/details/books/calculus-volume-1
:scheme
https
sec-fetch-site
same-origin
:method
GET
Origin
https://openstax.org
Referer
https://openstax.org/details/books/calculus-volume-1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Thu, 25 Feb 2021 13:27:28 GMT
via
1.1 d16428714e022976873ccc980fdc1289.cloudfront.net (CloudFront)
last-modified
Mon, 22 Feb 2021 21:03:12 GMT
server
nginx
age
5717850
etag
"60341c10-4508"
strict-transport-security
max-age=31536000
x-cache
Hit from cloudfront
content-type
application/octet-stream
cache-control
max-age=31536000
x-amz-cf-pop
FRA53-C1
accept-ranges
bytes
content-length
17672
x-amz-cf-id
6MxFr14E2gcUgBGrDun_X-aDfZxSK2Ig7r6n7vCfjlet1OpnanI5sg==
expires
Fri, 25 Feb 2022 13:27:28 GMT
analytics.js
www.google-analytics.com/ 		48 KB
19 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/analytics.js
Requested by
Host: openstax.org
URL: https://openstax.org/details/books/calculus-volume-1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:811::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
2cb09c7b3e19bfc41743ca3624ef81c3258d56525647feac76aa757e0292627a
Security Headers
Name Value
Strict-Transport-Security max-age=10886400; includeSubDomains; preload
X-Content-Type-Options nosniff

Request headers

Referer
https://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Fri, 09 Apr 2021 23:59:54 GMT
server
Golfe2
age
903
date
Sun, 02 May 2021 17:29:55 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
19569
expires
Sun, 02 May 2021 19:29:55 GMT
9271.js
script.crazyegg.com/pages/scripts/0084/ 		4 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://script.crazyegg.com/pages/scripts/0084/9271.js
Requested by
Host: openstax.org
URL: https://openstax.org/details/books/calculus-volume-1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6813:9408 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software
cloudflare /
Resource Hash
71f4305e6ec3d9d74411dc0e1864578d4a3d2ac970cecae2730ba18903e6b69e

Request headers

Referer
https://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 02 May 2021 17:44:58 GMT
content-encoding
gzip
cf-cache-status
HIT
age
12931
cf-polished
origSize=4157
ce-version
11.1.277
cf-request-id
09cfc8095300004a743fae9000000001
timing-allow-origin
*
last-modified
Sun, 02 May 2021 14:09:27 GMT
server
cloudflare
expect-ct
max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
vary
Accept-Encoding
content-type
text/javascript
access-control-allow-origin
*
access-control-expose-headers
CE-Version
cache-control
public, max-age=300, s-maxage=1209600
cf-ray
64930f888f104a74-FRA
cf-bgj
minify
settings.js
openstax.org/ 		296 B
692 B 		Script
General
Check archive.org
Download Go to
Full URL
https://openstax.org/settings.js
Requested by
Host: openstax.org
URL: https://openstax.org/details/books/calculus-volume-1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.202.110 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-202-110.fra53.r.cloudfront.net
Software
nginx /
Resource Hash
6757118df6e9e4580eb71118bd406dbf23261ebc7ed7aa9f551c44f9f16c26ff
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

:path
/settings.js
pragma
no-cache
origin
https://openstax.org
accept-encoding
gzip, deflate, br
accept-language
en-US
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36
sec-fetch-mode
cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
openstax.org
referer
https://openstax.org/details/books/calculus-volume-1
:scheme
https
sec-fetch-site
same-origin
:method
GET
Origin
https://openstax.org
Referer
https://openstax.org/details/books/calculus-volume-1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 02 May 2021 17:44:59 GMT
via
1.1 d16428714e022976873ccc980fdc1289.cloudfront.net (CloudFront)
last-modified
Wed, 17 Jun 2020 13:23:01 GMT
server
nginx
x-amz-cf-pop
FRA53-C1
etag
"5eea1935-128"
strict-transport-security
max-age=31536000
x-cache
Miss from cloudfront
content-type
application/javascript
cache-control
max-age=31536000
accept-ranges
bytes
content-length
296
x-amz-cf-id
jAeFiUPaAl2kQlTrT_hIoPsuVJiIVgLgvzOywS56ZxeW2KQWGMcbPA==
expires
Mon, 02 May 2022 17:44:59 GMT
vendors-node_modules_babel_runtime_helpers_esm_asyncToGenerator_js-node_modules_babel_runtime-bf77ce.js
openstax.org/ 		1 MB
283 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://openstax.org/vendors-node_modules_babel_runtime_helpers_esm_asyncToGenerator_js-node_modules_babel_runtime-bf77ce.js
Requested by
Host: openstax.org
URL: https://openstax.org/details/books/calculus-volume-1
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
143.204.202.110 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
server-143-204-202-110.fra53.r.cloudfront.net
Software
nginx /
Resource Hash
1a6e1dde8f41f40cd7ace098539def16cc82be6b51fe6d088b8024f1449f7093
Security Headers
Name Value
Strict-Transport-Security max-age=31536000

Request headers

:path
/vendors-node_modules_babel_runtime_helpers_esm_asyncToGenerator_js-node_modules_babel_runtime-bf77ce.js
pragma
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px4.ads.linkedin.com/
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adsct
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281 B 		Script
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adsct
t.co/i/ 		43 B
165 B 		Image
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104.244.42.5 , United States, ASN13414 (TWITTER, US),
Reverse DNS
Software
tsa_devel /
Resource Hash
ac8778041fdb7f2e08ceb574c9a766247ea26f1a7d90fa854c4efcf4b361a957
Security Headers
Name Value
Strict-Transport-Security max-age=0
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

Referer
https://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 02 May 2021 17:45:00 GMT
content-encoding
gzip
x-content-type-options
nosniff
status
200 OK
x-twitter-response-tags
BouncerCompliant
content-length
65
x-xss-protection
0
pragma
no-cache
last-modified
Sun, 02 May 2021 17:45:00 GMT
server
tsa_devel
x-frame-options
SAMEORIGIN
strict-transport-security
max-age=0
content-type
image/gif;charset=utf-8
cache-control
no-cache, no-store, must-revalidate, pre-check=0, post-check=0
x-connection-hash
e92650bf9c65cb0270812764a209a507b0e1a00a0b3c922922863ec92073c7ec
x-transaction
bc850c38dc16e3a8
expires
Tue, 31 Mar 1981 05:00:00 GMT
ga-audiences
www.google.com/ads/ 		42 B
107 B 		Image
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Full URL
https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j90&tid=UA-73668038-1&cid=1817692122.1619977500&jid=1604081845&_u=aGDAAEACUAAAAC~&z=1574289005
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:80e::2004 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 02 May 2021 17:45:00 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
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
content-type
image/gif
alt-svc
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content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
ga-audiences
www.google.de/ads/ 		42 B
107 B 		Image
General
Check archive.org
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Full URL
https://www.google.de/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j90&tid=UA-73668038-1&cid=1817692122.1619977500&jid=1604081845&_u=aGDAAEACUAAAAC~&z=1574289005
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:830::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 02 May 2021 17:45:00 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
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
content-type
image/gif
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
test
cdn.abrankings.com/ 		39 B
474 B 		XHR
General
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Full URL
https://cdn.abrankings.com/test?url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1&abr_id=1884
Requested by
Host: cdn.abrankings.com
URL: https://cdn.abrankings.com/js/client.js
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2600:9000:2104:4000:11:8a36:7200:93a1 , United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
nginx/1.15.8 /
Resource Hash
2c74e2c2d2bdf27cbf4954acff1ee6d34b1303cb6ccd7fc59f5452eb6fd05357
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 1; mode=block

Request headers

Referer
https://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 02 May 2021 17:45:00 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
nginx/1.15.8
x-amz-cf-pop
AMS1-C1
vary
Accept-Encoding
access-control-allow-methods
GET, POST, PUT, DELETE, OPTIONS
content-type
application/json
via
1.1 241b025da3883bdb653910a6da97c0a8.cloudfront.net (CloudFront)
cache-control
max-age=60, public
x-cache
Miss from cloudfront
access-control-allow-origin
*
x-amz-cf-id
nK6NlT5wFYOQj_b184EJbsRywsfSePD1OsWzH4qaqRYR6WhKH9oS0A==
x-xss-protection
1; mode=block
/
googleads.g.doubleclick.net/pagead/viewthroughconversion/647393842/ 		2 KB
1 KB 		Script
General
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Full URL
https://googleads.g.doubleclick.net/pagead/viewthroughconversion/647393842/?random=1619977500745&cv=9&fst=1619977500745&num=1&guid=ON&resp=GooglemKTybQhCsO&eid=2505059650&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=2wg4l3&sendb=1&ig=1&frm=0&url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1&tiba=OpenStax&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
2a00:1450:4001:80f::2002 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
cafe /
Resource Hash
5dfb509c4b8418af381f37fe4463d151a1a8293dc5e264fa3a3cea51aa07bc48
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
https://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 02 May 2021 17:45:00 GMT
content-encoding
gzip
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
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"
cache-control
no-cache, must-revalidate
cross-origin-resource-policy
cross-origin
content-disposition
attachment; filename="f.txt"
content-type
text/javascript; charset=UTF-8
alt-svc
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content-length
1019
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.com/pagead/1p-user-list/647393842/ 		42 B
64 B 		Image
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Full URL
https://www.google.com/pagead/1p-user-list/647393842/?random=1619977500745&cv=9&fst=1619974800000&num=1&guid=ON&eid=2505059650&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=2wg4l3&sendb=1&frm=0&url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1&tiba=OpenStax&async=1&fmt=3&is_vtc=1&random=2918391474&resp=GooglemKTybQhCsO&rmt_tld=0&ipr=y
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:80e::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://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 02 May 2021 17:45:00 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
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
content-security-policy
script-src 'none'; object-src 'none'
content-type
image/gif
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
/
www.google.de/pagead/1p-user-list/647393842/ 		42 B
64 B 		Image
General
Check archive.org
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Full URL
https://www.google.de/pagead/1p-user-list/647393842/?random=1619977500745&cv=9&fst=1619974800000&num=1&guid=ON&eid=2505059650&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=2wg4l3&sendb=1&frm=0&url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1&tiba=OpenStax&async=1&fmt=3&is_vtc=1&random=2918391474&resp=GooglemKTybQhCsO&rmt_tld=1&ipr=y
Protocol
H3-29
Security
QUIC, , AES_128_GCM
Server
2a00:1450:4001:830::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://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

pragma
no-cache
date
Sun, 02 May 2021 17:45:00 GMT
x-content-type-options
nosniff
server
cafe
timing-allow-origin
*
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
content-security-policy
script-src 'none'; object-src 'none'
content-type
image/gif
alt-svc
h3-29=":443"; ma=2592000,h3-T051=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
content-length
42
x-xss-protection
0
expires
Fri, 01 Jan 1990 00:00:00 GMT
analytics
pi.pardot.com/ 		4 KB
3 KB 		Script
General
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Download Go to
Full URL
https://pi.pardot.com/analytics?ver=3&visitor_id=&visitor_id_sign=&pi_opt_in=&campaign_id=1120&account_id=219812&title=OpenStax&url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1&referrer=
Requested by
Host: pi.pardot.com
URL: https://pi.pardot.com/pd.js
Protocol
HTTP/1.0
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.21.178.134 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
pi0-lba1-2-ue1.aws.pardot.com
Software
PardotServer /
Resource Hash
163e9fa464301f43c1e0e9d6f3df9d4d8216abacba132c9c6868b7e7748f3580

Request headers

Referer
https://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Pragma
no-cache
Date
Sun, 02 May 2021 17:45:01 GMT
Content-Encoding
gzip
X-Pardot-Route
d5a18e4517a9c8ba62b77de366a4cdb5
X-Pardot-LB
7044ba9c794aba658bc1be2f8b8ad85c
X-Pardot-Rsp
16/32/23
Vary
Accept-Encoding,User-Agent
P3p
CP="NOI DSP COR CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT", policyref="/w3c/p3p.xml", CP="NOI DSP COR CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT", policyref="/w3c/p3p.xml"
Cache-Control
no-store, no-cache, must-revalidate
Connection
keep-alive
Content-Type
text/javascript; charset=utf-8
Content-Length
1743
Server
PardotServer
Expires
Thu, 19 Nov 1981 08:52:00 GMT
analytics
www2.openstax.org/ 		52 B
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www2.openstax.org/analytics?conly=true&visitor_id=687354841&visitor_id_sign=b3f51e58ef27332f50fc0dffdaf85606bb93c59bce3a90d771d656a68a48297e6d1bd7deb12370211c46e310e6eb1f11811d8f9c&pi_opt_in=&campaign_id=1120&account_id=219812&title=OpenStax&url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1&referrer=
Requested by
Host: pi.pardot.com
URL: https://pi.pardot.com/analytics?ver=3&visitor_id=&visitor_id_sign=&pi_opt_in=&campaign_id=1120&account_id=219812&title=OpenStax&url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1&referrer=
Protocol
HTTP/1.0
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
52.21.178.134 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS
pi0-lba1-2-ue1.aws.pardot.com
Software
PardotServer /
Resource Hash
eca19fb64be166fabab688d0cdb2ae946d3370f8124ff0f3f18119cc2d4eb825

Request headers

Referer
https://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

Pragma
no-cache
Date
Sun, 02 May 2021 17:45:01 GMT
X-Pardot-Route
d5a18e4517a9c8ba62b77de366a4cdb5
X-Pardot-LB
7044ba9c794aba658bc1be2f8b8ad85c
X-Pardot-Rsp
17/6/94
Vary
User-Agent
P3p
CP="NOI DSP COR CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT", policyref="/w3c/p3p.xml", CP="NOI DSP COR CURa ADMa DEVa TAIa OUR BUS IND UNI COM NAV INT", policyref="/w3c/p3p.xml"
Cache-Control
no-store, no-cache, must-revalidate
Connection
keep-alive
Content-Type
text/javascript; charset=utf-8
Content-Length
52
Server
PardotServer
Expires
Thu, 19 Nov 1981 08:52:00 GMT
embed_shepherd-v1.js
fast.wistia.com/static/ 		567 KB
105 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://fast.wistia.com/static/embed_shepherd-v1.js
Requested by
Host: pi.pardot.com
URL: https://pi.pardot.com/analytics?ver=3&visitor_id=&visitor_id_sign=&pi_opt_in=&campaign_id=1120&account_id=219812&title=OpenStax&url=https%3A%2F%2Fopenstax.org%2Fdetails%2Fbooks%2Fcalculus-volume-1&referrer=
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, AES_128_GCM
Server
2a04:4e42:3::622 , United States, ASN54113 (FASTLY, US),
Reverse DNS
Software
/
Resource Hash
a22b3811231dd331a5ebbcaa2d09f177e9f2da6d245da2cb19450d623edcd64f
Security Headers
Name Value
Strict-Transport-Security max-age=0

Request headers

Referer
https://openstax.org/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.72 Safari/537.36

Response headers

date
Sun, 02 May 2021 17:45:01 GMT
content-encoding
br
vary
Accept-Encoding
age
2762
x-cache
HIT, HIT
content-length
107825
x-served-by
cache-dca12924-DCA, cache-fra19170-FRA
access-control-allow-origin
*
x-browser-version
89
last-modified
Fri, 30 Apr 2021 17:37:39 GMT
x-timer
S1619977501.438496,VS0,VE0
etag
"608c4063-1a531"
strict-transport-security
max-age=0
content-type
application/javascript
via
1.1 varnish, 1.1 varnish
cache-control
public, max-age=3600
x-browser
chrome
x-ecma-v
modern
accept-ranges
bytes
timing-allow-origin
*
x-cache-hits
1, 49

Verdicts & Comments Add Verdict or Comment

87 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| onbeforexrselect object| ontransitionrun object| ontransitionstart object| ontransitioncancel object| cookieStore function| showDirectoryPicker function| showOpenFilePicker function| showSaveFilePicker boolean| originAgentCluster object| trustedTypes boolean| crossOriginIsolated object| dataLayer object| google_tag_data function| ga object| gaplugins string| piAId string| piCId function| pi function| fbq function| _fbq boolean| CE_USER_SCRIPT object| CE2 string| CE_USER_DATA_URL string| CE_USER_COMMON_SCRIPT_URL object| CE2BH function| ouibounce function| PulseInsightsInclude function| PulseInsights function| Survey function| BarSurvey function| BottomBarSurvey function| DockedWidgetSurvey function| FullscreenSurvey function| InlineSurvey function| TopBarSurvey object| PulseInsightsObject object| SETTINGS object| webpackChunk_openstax_os_webview function| webpackHotUpdate_openstax_os_webview object| regeneratorRuntime object| gaGlobal object| gaData object| FontAwesomeConfig object| ___FONT_AWESOME___ string| __react_router_build__ object| google_tag_manager string| _linkedin_data_partner_id function| twq number| abr_id object| google_optimize string| GoogleAnalyticsObject function| lintrk boolean| _already_called_lintrk object| twttr string| abr_url function| abrankings function| Template7 boolean| abr_completed function| GooglemKTybQhCsO function| google_trackConversion object| GooglebQhCsO string| dateDayShort string| dateDay string| dateDD string| dateMon string| dateMM string| dateMonth string| dateYYYY string| dateYY function| checkNamespace function| getPardotUrl function| piTracker function| piGetParameter function| piGetCookie function| piSetCookie string| piVersion number| piScriptNum object| piScriptObj number| c_start string| property function| piResponse object| Wistia string| _wistiaElemId object| _wq object| wistiaEmbeds function| wistiaBindIframes function| wistiaDispatch

5 Cookies

Domain/Path Name / Value
.openstax.org/ Name: _gat_UA-73668038-1
Value: 1
.openstax.org/ Name: _gcl_au
Value: 1.1.586172456.1619977501
.openstax.org/ Name: _gid
Value: GA1.2.328256261.1619977500
.openstax.org/ Name: _ga
Value: GA1.2.1817692122.1619977500
.openstax.org/ Name: _fbp
Value: fb.1.1619977499115.1193270462

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=31536000

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.

accounts.openstax.org
analytics.twitter.com
cdn.abrankings.com
connect.facebook.net
fast.fonts.net
fast.wistia.com
googleads.g.doubleclick.net
js.pulseinsights.com
openstax.org
pi.pardot.com
px.ads.linkedin.com
px4.ads.linkedin.com
script.crazyegg.com
snap.licdn.com
static.ads-twitter.com
stats.g.doubleclick.net
t.co
www.facebook.com
www.google-analytics.com
www.google.com
www.google.de
www.googleadservices.com
www.googletagmanager.com
www.linkedin.com
www2.openstax.org
104.244.42.195
104.244.42.5
108.174.10.14
142.250.186.162
143.204.202.110
199.232.136.157
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2620:1ec:21::14
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