pretextbook.org Open in urlscan Pro
2600:3c00::f03c:91ff:fee2:1e2e Public Scan

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Submitted URL:
http://pretextbook.org/
Effective URL:
https://pretextbook.org/
Submission: On March 30 via api (March 30th 2024, 5:43:20 am UTC) from US — Scanned from DE

Summary HTTP 27 Redirects Links 32 Behaviour Indicators

Summary

This website contacted 5 IPs in 3 countries across 4 domains to perform 27 HTTP transactions. The main IP is 2600:3c00::f03c:91ff:fee2:1e2e, located in Richardson, United States and belongs to AKAMAI-LINODE-AP Akamai Connected Cloud, SG. The main domain is pretextbook.org. The Cisco Umbrella rank of the primary domain is 405025.
TLS certificate: Issued by R3 on March 3rd 2024. Valid for: 3 months.

This is the only time pretextbook.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
20	2600:3c00::f0... 2600:3c00::f03c:91ff:fee2:1e2e	63949 (AKAMAI-LI...) (AKAMAI-LINODE-AP Akamai Connected Cloud)
2	2a00:1450:400... 2a00:1450:4001:82f::2008	15169 (GOOGLE) (GOOGLE)
2	104.20.94.138 104.20.94.138	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2a00:1450:400... 2a00:1450:4001:813::200e	15169 (GOOGLE) (GOOGLE)
1	2001:4860:480... 2001:4860:4802:32::36	15169 (GOOGLE) (GOOGLE)
27	5

20 2600:3c00::f03c:91ff:fee2:1e2e (Richardson, United States)

ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG)

pretextbook.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:82f::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.googletagmanager.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 104.20.94.138 (None, )

ASN13335 (CLOUDFLARENET, US)

secure.statcounter.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
c.statcounter.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:813::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2001:4860:4802:32::36 (United States)

ASN15169 (GOOGLE, US)

region1.google-analytics.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
20	pretextbook.org pretextbook.org — Cisco Umbrella Rank: 405025	601 KB
3	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 34 region1.google-analytics.com — Cisco Umbrella Rank: 2042	21 KB
2	statcounter.com secure.statcounter.com — Cisco Umbrella Rank: 23792 c.statcounter.com — Cisco Umbrella Rank: 11492	14 KB
2	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 42	160 KB
27	4

	Domain	Requested by
20	pretextbook.org	pretextbook.org
2	www.google-analytics.com	www.googletagmanager.com www.google-analytics.com
2	www.googletagmanager.com	pretextbook.org www.googletagmanager.com
1	region1.google-analytics.com	www.googletagmanager.com
1	c.statcounter.com	secure.statcounter.com
1	secure.statcounter.com	pretextbook.org
27	6

This site contains links to these domains. Also see Links.

Domain
runestone.academy
www.nsf.gov
pugetsound.edu
aimath.org
www.actionfund.org
www.bucknell.edu
openoregon.org
www.flexdoc.xyz
www.shuttleworthfoundation.org
groups.google.com
twitter.com
fosstodon.org
github.com
www.pugetsound.edu
www.math.umanitoba.ca
umanitoba.ca
utmost.aimath.org
templates.arcsin.se
arcsin.se

Subject Issuer	Validity	Valid
pretextbook.org R3	`2024-03-03` - `2024-06-01`	3 months	crt.sh
*.google-analytics.com GTS CA 1C3	`2024-03-04` - `2024-05-27`	3 months	crt.sh
statcounter.com Sectigo RSA Domain Validation Secure Server CA	`2023-12-05` - `2025-01-03`	a year	crt.sh

This page contains 1 frames:

Primary Page: https://pretextbook.org/
Frame ID: ABA5A7FA364A384D0DAAD41FE2326E86
Requests: 27 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

PreTeXt

Page URL History Show full URLs

http://pretextbook.org/ HTTP 307
https://pretextbook.org/ Page URL

Detected technologies

Google Analytics (Analytics) Expand

Overall confidence: 100%
Detected patterns

google-analytics\.com/(?:ga|urchin|analytics)\.js

Google Tag Manager (Tag Managers) Expand

Overall confidence: 100%
Detected patterns

googletagmanager\.com/gtag/js

Statcounter (Analytics) Expand

Overall confidence: 100%
Detected patterns

statcounter\.com/counter/counter

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

27
Requests

100 %
HTTPS

80 %
IPv6

4
Domains

6
Subdomains

5
IPs

3
Countries

796 kB
Transfer

1126 kB
Size

6
Cookies

32 Outgoing links

These are links going to different origins than the main page.

URL: https://runestone.academy/

Search URL Search Domain Scan URL

URL: http://www.nsf.gov/

Search URL Search Domain Scan URL

URL: http://pugetsound.edu/

Search URL Search Domain Scan URL

URL: http://aimath.org/

Search URL Search Domain Scan URL

URL: https://www.actionfund.org/

Search URL Search Domain Scan URL

URL: https://www.bucknell.edu/

Search URL Search Domain Scan URL

URL: http://openoregon.org/

Search URL Search Domain Scan URL

URL: http://www.flexdoc.xyz/

Search URL Search Domain Scan URL

URL: https://www.shuttleworthfoundation.org/

Search URL Search Domain Scan URL

URL: https://groups.google.com/forum/#!forum/pretext-support
Title: pretext-support

Search URL Search Domain Scan URL

URL: https://groups.google.com/forum/#!forum/pretext-announce
Title: pretext-announce

Search URL Search Domain Scan URL

URL: https://groups.google.com/forum/#!forum/pretext-dev
Title: pretext-dev

Search URL Search Domain Scan URL

URL: https://twitter.com/hashtag/PreTeXtGang
Title: #PreTeXtGang

Search URL Search Domain Scan URL

URL: https://twitter.com/PreTeXtBook
Title: Twitter

Search URL Search Domain Scan URL

URL: https://fosstodon.org/@PreTeXt
Title: Mastodon

Search URL Search Domain Scan URL

URL: https://groups.google.com/forum/?fromgroups#!forum/mathbook-xml-support
Title: mathbook-xml-support

Search URL Search Domain Scan URL

URL: https://github.com/PreTeXtBook/pretext/fork
Title: fork

Search URL Search Domain Scan URL

URL: https://github.com/PreTeXtBook/pretext
Title: repository

Search URL Search Domain Scan URL

URL: https://github.com/PreTeXtBook/pretext/archive/refs/heads/master.zip
Title: zip file

Search URL Search Domain Scan URL

URL: http://www.flexdoc.xyz/flexdoc-xml/xsddoc/
Title: FlexDoc/XML - XSDDoc (XML Schema Documentation Generator)

Search URL Search Domain Scan URL

URL: https://www.nsf.gov/pubs/2017/nsf17590/nsf17590.htm
Title: Improving Undergraduate STEM Education

Search URL Search Domain Scan URL

URL: https://www.bucknell.edu/PresidentialFellows
Title: Presidential Fellows

Search URL Search Domain Scan URL

URL: https://www.nsf.gov/pubs/2015/nsf15585/nsf15585.htm
Title: Improving Undergraduate STEM Education

Search URL Search Domain Scan URL

URL: http://www.pugetsound.edu/
Title: University of Puget Sound

Search URL Search Domain Scan URL

URL: http://aimath.org/workshops/upcoming/mathbookxml/
Title: workshop

Search URL Search Domain Scan URL

URL: http://openoregon.org/2015-oer-special-project-grants-awarded/
Title: Web Version

Search URL Search Domain Scan URL

URL: http://www.math.umanitoba.ca/people/faculty.php?id=Michael_Doob
Title: Michael Doob

Search URL Search Domain Scan URL

URL: http://umanitoba.ca/science/
Title: The University of Manitoba

Search URL Search Domain Scan URL

URL: http://www.shuttleworthfoundation.org/grantees/2013/rob-beezer/
Title: Shuttleworth Flash Grant

Search URL Search Domain Scan URL

URL: http://utmost.aimath.org/
Title: UTMOST

Search URL Search Domain Scan URL

URL: http://templates.arcsin.se/
Title: Website template

Search URL Search Domain Scan URL

URL: http://arcsin.se/
Title: Arcsin

Search URL Search Domain Scan URL

Page URL History

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

http://pretextbook.org/ HTTP 307
https://pretextbook.org/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

27 HTTP transactions
0 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H/1.1

200
OK

Primary Request / Show response
pretextbook.org/
Redirect Chain

http://pretextbook.org/
https://pretextbook.org/

20 KB
20 KB

632ms
303ms

Document
text/html

2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

Full URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 420315d2429aaeea151516521d9137698ef2874177fbdae2f7817a7541a88d3f

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

Accept-Ranges: bytes
Connection: keep-alive
Content-Length: 20585
Content-Type: text/html
Date: Sat, 30 Mar 2024 05:43:15 GMT
ETag: "6601f4ef-5069"
Last-Modified: Mon, 25 Mar 2024 22:04:31 GMT
Server: nginx/1.20.1

Redirect headers

Location: https://pretextbook.org/
Non-Authoritative-Reason: HttpsUpgrades

GET
H/1.1 200
OK jquery.min.js Show response
pretextbook.org/js/lib/ 85 KB
85 KB 153ms
152ms Script
application/javascript 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

Full URL: https://pretextbook.org/js/lib/jquery.min.js
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 160a426ff2894252cd7cebbdd6d6b7da8fcd319c65b70468f10b6690c45d02ef

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:15 GMT
Last-Modified: Wed, 11 Dec 2019 04:06:53 GMT
Server: nginx/1.20.1
ETag: "5df06b5d-1538f"
Content-Type: application/javascript
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 86927

GET
H/1.1 200
OK knowl.js Show response
pretextbook.org/js/lib/ 14 KB
14 KB 456ms
151ms Script
application/javascript 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

Full URL: https://pretextbook.org/js/lib/knowl.js
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 6f5320df0b478f7935f5187b4ca8a6d10cb4687f1ddf3ed81f3c1f3e29a1c7c7

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:15 GMT
Last-Modified: Tue, 24 Jan 2023 20:03:09 GMT
Server: nginx/1.20.1
ETag: "63d0397d-370c"
Content-Type: application/javascript
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 14092

GET
H/1.1 200
OK default.css
pretextbook.org/ 4 KB
4 KB 452ms
150ms Stylesheet
text/css 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

Full URL: https://pretextbook.org/default.css
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: fd0b317ae82d37a576d0982d79fc21e7b4a702dc5b7cfb22c8449f058f9296c8

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:15 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:31 GMT
Server: nginx/1.20.1
ETag: "6601f4ef-e92"
Content-Type: text/css
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 3730

GET
H/1.1 200
OK catalog.css
pretextbook.org/css/0.31/ 2 KB
2 KB 455ms
151ms Stylesheet
text/css 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

Full URL: https://pretextbook.org/css/0.31/catalog.css
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: c7f007ebe64fbf18f6389cc7a66129ecc305d5b7a3158b156b58197eaf447e64

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:15 GMT
Last-Modified: Sat, 30 Nov 2019 00:37:44 GMT
Server: nginx/1.20.1
ETag: "5de1b9d8-693"
Content-Type: text/css
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 1683

GET
H/1.1 200
OK runestone_logo_small.png
pretextbook.org/images/ 58 KB
58 KB 609ms
305ms Image
image/png 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/images/runestone_logo_small.png
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 8dacd1fb24828bf20553c5f78f640c874207ef62f5a1af918ef9522af6e88266

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:15 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-e68d"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 59021

GET
H/1.1 200
OK nsf1-triple-trans.png
pretextbook.org/images/ 44 KB
44 KB 611ms
306ms Image
image/png 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/images/nsf1-triple-trans.png
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 74e5af129359768ce4d64fbc1685058fe0516c71423a25b9055ea7d3b81b690b

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:15 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-aeeb"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 44779

GET
H/1.1 200
OK 20469_UofPS_horiz_maroonRGB300-trans.png
pretextbook.org/images/ 26 KB
26 KB 154ms
154ms Image
image/png 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/images/20469_UofPS_horiz_maroonRGB300-trans.png
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: a77fe79a3634fafe241b49a1fe967052ad25b0d08c92290d518efc9d20c3f969

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-680c"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 26636

GET
H/1.1 200
OK aimlogo-left.png
pretextbook.org/images/ 13 KB
13 KB 307ms
306ms Image
image/png 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/images/aimlogo-left.png
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 400b626384ef2826c6187b4b9f68e280a45f96aac2c041db288f0ce5e1579cc5

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-3441"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 13377

GET
H/1.1 200
OK american-action-fund.png
pretextbook.org/images/ 215 KB
215 KB 302ms
302ms Image
image/png 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/images/american-action-fund.png
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: bf850ed742ea99cf0418b502e3c888a947a14eaf1dcf138d65366a5fd48d8b9a

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-35bd7"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 220119

GET
H/1.1 200
OK bucknell.png
pretextbook.org/images/ 51 KB
51 KB 307ms
307ms Image
image/png 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/images/bucknell.png
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 6ba8175664bc64896a725d8bfaae99f489b66055e1b490b9a8950df63eea5220

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-cd03"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 52483

GET
H/1.1 200
OK OPEN%20OREGON%20LOGO%20HORIZONTAL%20COLOR.png
pretextbook.org/images/ 32 KB
32 KB 600ms
153ms Image
image/png 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/images/OPEN%20OREGON%20LOGO%20HORIZONTAL%20COLOR.png
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 9e17074daf6529179fc0818938657c12cf7d3dd9a20456519ac086bb4b3a3f89

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-7f65"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 32613

GET
H/1.1 200
OK filigris-works.gif
pretextbook.org/images/ 4 KB
4 KB 601ms
152ms Image
image/gif 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/images/filigris-works.gif
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 89cb2a011d0808d6a09a7ace7faf25a2b9a4869eb4c0637bff5e00ad736f2ade

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-ed8"
Content-Type: image/gif
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 3800

GET
H/1.1 200
OK Shuttleworth%20Funded.png
pretextbook.org/images/ 3 KB
3 KB 451ms
151ms Image
image/png 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/images/Shuttleworth%20Funded.png
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 5404b7a9da70d528f4bb8d35082899bf0cf998bb79008994620a0503a695a7d3

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-bd7"
Content-Type: image/png
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 3031

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 204 KB
74 KB 155ms
63ms Script
application/javascript 2a00:1450:4001:82f::2008
GOOGLE

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Full URL

https://www.googletagmanager.com/gtag/js?id=UA-48811660-1

Requested by

Host: pretextbook.org
URL: https://pretextbook.org/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

0326484f3f4998e07937402b9535c66bd5a977b4db101efa28c1ee6a8bc84819

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Xss-Protection	0

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 30 Mar 2024 05:43:16 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 75656
x-xss-protection: 0
last-modified: Sat, 30 Mar 2024 03:00:00 GMT
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
access-control-allow-headers: Cache-Control
expires: Sat, 30 Mar 2024 05:43:16 GMT

GET
H2 200 counter.js Show response
secure.statcounter.com/counter/ 35 KB
13 KB 145ms
53ms Script
application/javascript 104.20.94.138
CLOUDFLARENET

General

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Show headers Download Go to

Full URL: https://secure.statcounter.com/counter/counter.js
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.20.94.138 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 163f56b3b6e604ea7f6aae49c6f6069fc9626233680d09d8a1034440d93d4ac4

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Intervention: <https://www.chromestatus.com/feature/5718547946799104>; level="warning"
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 30 Mar 2024 05:43:16 GMT
content-encoding: br
cf-cache-status: HIT
last-modified: Wed, 27 Mar 2024 14:36:00 GMT
server: cloudflare
age: 19555
etag: W/"66042ed0-8c64"
vary: Accept-Encoding
content-type: application/javascript
cache-control: max-age=43200
cf-ray: 86c5c7f59db55d81-FRA
expires: Sat, 30 Mar 2024 12:17:21 GMT

GET
H/1.1 200
OK body.jpg
pretextbook.org/img/ 13 KB
13 KB 299ms
152ms Image
image/jpeg 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/img/body.jpg
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/default.css
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 00f16fb6e94bcd6a72ebc035b2de4edbf60e7dbedcfa399434a2aa0700df9a80

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/default.css
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-3502"
Content-Type: image/jpeg
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 13570

GET
H/1.1 200
OK container.jpg
pretextbook.org/img/ 2 KB
3 KB 447ms
152ms Image
image/jpeg 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/img/container.jpg
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/default.css
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 7f3089e2e6baaa98b2c70f04e67cbb1d65f407cff3d3bbeb4349b367700ab7d7

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/default.css
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-927"
Content-Type: image/jpeg
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 2343

GET
H/1.1 200
OK header.jpg
pretextbook.org/img/ 11 KB
11 KB 452ms
152ms Image
image/jpeg 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://pretextbook.org/img/header.jpg
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/default.css
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 61f4131d4f38d157257dbc5284a6ca46cc2e46e6e910c023fd692d9e2636faa8

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/default.css
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-2b68"
Content-Type: image/jpeg
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 11112

GET
H/1.1 200
OK main.gif
pretextbook.org/img/ 148 B
385 B 448ms
152ms Image
image/gif 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to Show image

Full URL: https://pretextbook.org/img/main.gif
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/default.css
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 8941b5eb0b5b11bb9519b0e70194737f9fee0bf54d5d2b79eb837c7eb89a286b

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/default.css
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-94"
Content-Type: image/gif
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 148

GET
H/1.1 200
OK li.gif
pretextbook.org/img/ 199 B
436 B 602ms
152ms Image
image/gif 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

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Show headers Download Go to Show image

Full URL: https://pretextbook.org/img/li.gif
Requested by: Host: pretextbook.org
URL: https://pretextbook.org/default.css
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: d10b7a40034fedcb0d3a5069b6349f490987635baaa6850dbcf8c6adea683219

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/default.css
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Last-Modified: Mon, 25 Mar 2024 22:04:54 GMT
Server: nginx/1.20.1
ETag: "6601f506-c7"
Content-Type: image/gif
Connection: keep-alive
Accept-Ranges: bytes
Content-Length: 199

GET
H2 200 t.php Show response
c.statcounter.com/ 192 B
468 B 175ms
169ms XHR
application/json 104.20.94.138
CLOUDFLARENET

General

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Show headers Download Go to

Full URL: https://c.statcounter.com/t.php?sc_project=9664088&u1=E22D812BD2764F28F06B9E96C006EC71&java=1&security=6e60c510&sc_snum=1&sess=21e3ea&p=0&pv=10&rcat=d&rdom=d&rdomg=new&bb=1&jg=new&rr=1.1.1.1.1.1.1.1.1&resolution=800&h=600&camefrom=&u=https%3A//pretextbook.org/&t=PreTeXt&invisible=1&sc_rum_e_s=1245&sc_rum_e_e=1252&sc_rum_f_s=0&sc_rum_f_e=1243&get_config=true
Requested by: Host: secure.statcounter.com
URL: https://secure.statcounter.com/counter/counter.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.20.94.138 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: eb2697b60c526a1d4980e0874700e7c2b4f43bb9292770f71bb4bb972506e415

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 30 Mar 2024 05:43:16 GMT
content-encoding: br
cf-cache-status: DYNAMIC
server: cloudflare
content-type: application/json
access-control-allow-origin: https://pretextbook.org
p3p: policyref="http://www.statcounter.com/w3c/p3p.xml", CP="ADMa OUR COM NAV NID DSP NOI COR"
access-control-allow-credentials: true
cf-ray: 86c5c7f61de45d81-FRA
expires: Mon, 26 Jul 1997 05:00:00 GMT

GET
H2 200 js Show response
www.googletagmanager.com/gtag/ 239 KB
86 KB 55ms
55ms Script
application/javascript 2a00:1450:4001:82f::2008
GOOGLE

General

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Show headers Download Go to

Full URL

https://www.googletagmanager.com/gtag/js?id=G-RPEQK4J2K4&l=dataLayer&cx=c

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=UA-48811660-1

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:82f::2008 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Google Tag Manager /

Resource Hash

cc849bd997fbd9fc8c4d802ecaf9c5c4284f9989ff62508d994168a94aab4a8b

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Xss-Protection	0

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

date: Sat, 30 Mar 2024 05:43:16 GMT
content-encoding: br
strict-transport-security: max-age=31536000; includeSubDomains
server: Google Tag Manager
vary: Accept-Encoding
content-type: application/javascript; charset=UTF-8
access-control-allow-origin: *
cache-control: private, max-age=900
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
access-control-allow-headers: Cache-Control
content-length: 87823
x-xss-protection: 0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
expires: Sat, 30 Mar 2024 05:43:16 GMT

GET
H2 200 analytics.js Show response
www.google-analytics.com/ 52 KB
21 KB 130ms
39ms Script
text/javascript 2a00:1450:4001:813::200e
GOOGLE

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Full URL

https://www.google-analytics.com/analytics.js

Requested by

Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=UA-48811660-1

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:813::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

de36e50194320a7d3ef1ace9bd34a875a8bd458b253c061979dd628e9bf49afd

Security Headers

Name	Value
Strict-Transport-Security	max-age=10886400; includeSubDomains; preload
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

strict-transport-security: max-age=10886400; includeSubDomains; preload
content-encoding: gzip
x-content-type-options: nosniff
date: Sat, 30 Mar 2024 05:38:42 GMT
last-modified: Tue, 12 Dec 2023 18:09:08 GMT
server: Golfe2
age: 274
vary: Accept-Encoding
content-type: text/javascript
cache-control: public, max-age=7200
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 20994
expires: Sat, 30 Mar 2024 07:38:42 GMT

POST
H2 204 collect
region1.google-analytics.com/g/ 0
254 B 138ms
47ms Ping
text/plain 2001:4860:4802:32::36
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL: https://region1.google-analytics.com/g/collect?v=2&tid=G-RPEQK4J2K4&gtm=45je43r0v9106993241za200&_p=1711777396143&gcd=13l3l3l2l1&npa=1&dma_cps=sypham&dma=1&cid=2134859923.1711777396&ul=en-us&sr=800x600&uaa=x86&uab=64&uafvl=Google%2520Chrome%3B123.0.6312.86%7CNot%253AA-Brand%3B8.0.0.0%7CChromium%3B123.0.6312.86&uamb=0&uam=&uap=Win32&uapv=10.0.0&uaw=0&pscdl=noapi&_eu=AAAI&_s=1&sid=1711777396&sct=1&seg=0&dl=https%3A%2F%2Fpretextbook.org%2F&dt=PreTeXt&en=page_view&_fv=1&_nsi=1&_ss=1&tfd=1453
Requested by: Host: www.googletagmanager.com
URL: https://www.googletagmanager.com/gtag/js?id=G-RPEQK4J2K4&l=dataLayer&cx=c
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2001:4860:4802:32::36 , United States, ASN15169 (GOOGLE, US),
Reverse DNS
Software: Golfe2 /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

pragma: no-cache
date: Sat, 30 Mar 2024 05:43:16 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://pretextbook.org
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
expires: Fri, 01 Jan 1990 00:00:00 GMT

POST
H2 200 collect Show response
www.google-analytics.com/j/ 1 B
206 B 47ms
46ms XHR
text/plain 2a00:1450:4001:813::200e
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://www.google-analytics.com/j/collect?v=1&_v=j101&a=349507502&t=pageview&_s=1&dl=https%3A%2F%2Fpretextbook.org%2F&ul=en-us&de=UTF-8&dt=PreTeXt&sd=24-bit&sr=800x600&vp=1600x1113&je=0&_u=YADAAUABAAAAACAAI~&jid=2048058531&gjid=491793639&cid=2134859923.1711777396&tid=UA-48811660-1&_gid=884479786.1711777396&_r=1&gtm=457e43r0za200&gcd=13l3l3l2l1&dma_cps=sypham&dma=1&jsscut=1&npa=1&z=159930162

Requested by

Host: www.google-analytics.com
URL: https://www.google-analytics.com/analytics.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:813::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

Golfe2 /

Resource Hash

6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
sec-ch-ua-platform: "Win32"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
Content-Type: text/plain

Response headers

pragma: no-cache
date: Sat, 30 Mar 2024 05:43:16 GMT
x-content-type-options: nosniff
last-modified: Sun, 17 May 1998 03:00:00 GMT
server: Golfe2
content-type: text/plain
access-control-allow-origin: https://pretextbook.org
cache-control: no-cache, no-store, must-revalidate
access-control-allow-credentials: true
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 1
expires: Fri, 01 Jan 1990 00:00:00 GMT

GET
H/1.1 404
Not Found favicon.ico
pretextbook.org/ 555 B
710 B 151ms
150ms Other
text/html 2600:3c00::f03c:91ff:fee2:1e2e
AKAMAI-LINODE-AP ...

General

Check archive.org

Show headers Download Go to

Full URL: https://pretextbook.org/favicon.ico
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_256_GCM
Server: 2600:3c00::f03c:91ff:fee2:1e2e Richardson, United States, ASN63949 (AKAMAI-LINODE-AP Akamai Connected Cloud, SG),
Reverse DNS
Software: nginx/1.20.1 /
Resource Hash: 922a7a005a299daab272ef3b0c7106716572ece666c54c187ce6836b32474973

Request headers

sec-ch-ua: "Google Chrome";v="123", "Not:A-Brand";v="8", "Chromium";v="123"
Referer: https://pretextbook.org/
accept-language: de-DE,de;q=0.9
sec-ch-ua-mobile: ?0
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36
sec-ch-ua-platform: "Win32"

Response headers

Date: Sat, 30 Mar 2024 05:43:16 GMT
Server: nginx/1.20.1
Connection: keep-alive
Content-Length: 555
Content-Type: text/html

Verdicts & Comments Add Verdict or Comment

23 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.

6 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
.pretextbook.org/	1970-01-21 05:05:37	Name: sc_is_visitor_unique Value: rx9664088.1711777396.E22D812BD2764F28F06B9E96C006EC71.1.1.1.1.1.1.1.1.1
.statcounter.com/	1970-01-21 05:05:37	Name: is_unique Value: sc9664088.1711777396.0
.pretextbook.org/	1970-01-21 05:05:37	Name: _ga_RPEQK4J2K4 Value: GS1.1.1711777396.1.0.1711777396.0.0.0
.pretextbook.org/	1970-01-21 05:05:37	Name: _ga Value: GA1.2.2134859923.1711777396
.pretextbook.org/	1970-01-20 19:31:03	Name: _gid Value: GA1.2.884479786.1711777396
.pretextbook.org/	1970-01-20 19:29:37	Name: _gat_gtag_UA_48811660_1 Value: 1

4 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
javascript	warning	URL: https://pretextbook.org/(Line 75) Message: A parser-blocking, cross site (i.e. different eTLD+1) script, https://secure.statcounter.com/counter/counter.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
javascript	warning	URL: https://pretextbook.org/(Line 75) Message: A parser-blocking, cross site (i.e. different eTLD+1) script, https://secure.statcounter.com/counter/counter.js, is invoked via document.write. The network request for this script MAY be blocked by the browser in this or a future page load due to poor network connectivity. If blocked in this page load, it will be confirmed in a subsequent console message. See https://www.chromestatus.com/feature/5718547946799104 for more details.
other	warning	URL: https://pretextbook.org/ Message: Third-party cookie will be blocked. Learn more in the Issues tab.
network	error	URL: https://pretextbook.org/favicon.ico Message: Failed to load resource: the server responded with a status of 404 (Not Found)

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.

c.statcounter.com
pretextbook.org
region1.google-analytics.com
secure.statcounter.com
www.google-analytics.com
www.googletagmanager.com
104.20.94.138
2001:4860:4802:32::36
2600:3c00::f03c:91ff:fee2:1e2e
2a00:1450:4001:813::200e
2a00:1450:4001:82f::2008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pretextbook.org Open in urlscan Pro 2600:3c00::f03c:91ff:fee2:1e2e Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

27 Requests

100 %HTTPS

80 %IPv6

4 Domains

6 Subdomains

5 IPs

3 Countries

796 kBTransfer

1126 kBSize

6 Cookies

32 Outgoing links

Page URL History

Redirected requests

27 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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Verdicts & Comments Add Verdict or Comment

23 JavaScript Global Variables

pretextbook.org Open in urlscan Pro
2600:3c00::f03c:91ff:fee2:1e2e Public Scan

Screenshot
Live screenshot

Full Image

27
Requests

100 %
HTTPS

80 %
IPv6

4
Domains

6
Subdomains

5
IPs

3
Countries

796 kB
Transfer

1126 kB
Size

6
Cookies

27 HTTP transactions
0 data transactions