math.libretexts.org Open in urlscan Pro
2600:9000:25a2:3200:11:2451:2fc0:93a1 Public Scan

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URL:
https://math.libretexts.org/Bookshelves/Analysis/Introduction_to_Mathematical_Analysis_I_(Lafferriere_Lafferriere_and_Nguyen...
Submission: On January 22 via api (January 22nd 2024, 6:23:22 pm UTC) from US — Scanned from DE

Summary HTTP 175 Redirects Links 11 Behaviour Indicators

Summary

This website contacted 25 IPs in 3 countries across 18 domains to perform 175 HTTP transactions. The main IP is 2600:9000:25a2:3200:11:2451:2fc0:93a1, located in United States and belongs to AMAZON-02, US. The main domain is math.libretexts.org. The Cisco Umbrella rank of the primary domain is 204050.
TLS certificate: Issued by Amazon RSA 2048 M01 on June 13th 2023. Valid for: a year.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
2 25	2600:9000:25a... 2600:9000:25a2:3200:11:2451:2fc0:93a1	16509 (AMAZON-02) (AMAZON-02)
13	18.165.183.125 18.165.183.125	16509 (AMAZON-02) (AMAZON-02)
45	2606:4700:303... 2606:4700:3034::ac43:d829	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4 6	2606:4700::68... 2606:4700::6810:7aaf	13335 (CLOUDFLAR...) (CLOUDFLARENET)
35	2606:4700::68... 2606:4700::6811:180e	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2606:4700::68... 2606:4700::6810:5514	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1 5	2606:4700:10:... 2606:4700:10::6816:369f	13335 (CLOUDFLAR...) (CLOUDFLARENET)
4	2a00:1450:400... 2a00:1450:4001:82a::200a	15169 (GOOGLE) (GOOGLE)
2	18.165.183.85 18.165.183.85	16509 (AMAZON-02) (AMAZON-02)
4	2606:4700:e2:... 2606:4700:e2::ac40:8d0d	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2606:4700:440... 2606:4700:4400::6812:2844	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2606:4700::68... 2606:4700::6810:3965	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	2a00:1450:400... 2a00:1450:4001:80f::2008	15169 (GOOGLE) (GOOGLE)
3	2a00:1450:400... 2a00:1450:4001:82b::200e	15169 (GOOGLE) (GOOGLE)
3	2a00:1450:400... 2a00:1450:4001:813::2003	15169 (GOOGLE) (GOOGLE)
3	2a00:1450:400... 2a00:1450:400c:c00::9a	15169 (GOOGLE) (GOOGLE)
2	2001:4860:480... 2001:4860:4802:34::36	15169 (GOOGLE) (GOOGLE)
14	2606:4700:10:... 2606:4700:10::ac43:1687	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1	2a00:1450:400... 2a00:1450:4001:828::2004	15169 (GOOGLE) (GOOGLE)
2	2a00:1450:400... 2a00:1450:4001:827::2003	15169 (GOOGLE) (GOOGLE)
1	35.186.247.156 35.186.247.156	15169 (GOOGLE) (GOOGLE)
2	2606:4700::68... 2606:4700::6810:3865	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	164.90.245.231 164.90.245.231	14061 (DIGITALOC...) (DIGITALOCEAN-ASN)
2	137.184.36.8 137.184.36.8	14061 (DIGITALOC...) (DIGITALOCEAN-ASN)
1	2606:4700:10:... 2606:4700:10::6816:33f9	13335 (CLOUDFLAR...) (CLOUDFLARENET)
175	25

25 2600:9000:25a2:3200:11:2451:2fc0:93a1 (United States) 2 redirects

ASN16509 (AMAZON-02, US)

math.libretexts.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
biz.libretexts.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

13 18.165.183.125 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-165-183-125.zrh55.r.cloudfront.net

a.mtstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

45 2606:4700:3034::ac43:d829 (United States)

ASN13335 (CLOUDFLARENET, US)

cdn.libretexts.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

6 2606:4700::6810:7aaf (United States) 4 redirects

ASN13335 (CLOUDFLARENET, US)

unpkg.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

35 2606:4700::6811:180e (United States)

ASN13335 (CLOUDFLARENET, US)

cdnjs.cloudflare.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2606:4700::6810:5514 (United States)

ASN13335 (CLOUDFLARENET, US)

cdn.jsdelivr.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 2606:4700:10::6816:369f (United States) 1 redirects

ASN13335 (CLOUDFLARENET, US)

hypothes.is	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
cdn.hypothes.is	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2a00:1450:4001:82a::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 18.165.183.85 (United States)

ASN16509 (AMAZON-02, US)
PTR: server-18-165-183-85.zrh55.r.cloudfront.net

files.mtstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

4 2606:4700:e2::ac40:8d0d (United States)

ASN13335 (CLOUDFLARENET, US)

use.fontawesome.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2606:4700:4400::6812:2844 (United States)

ASN13335 (CLOUDFLARENET, US)

pro.fontawesome.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700::6810:3965 (United States)

ASN13335 (CLOUDFLARENET, US)

static.cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2a00:1450:4001:80f::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

3 2a00:1450:4001:82b::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

3 2a00:1450:4001:813::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.gstatic.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

3 2a00:1450:400c:c00::9a (Brussels, Belgium)

ASN15169 (GOOGLE, US)

stats.g.doubleclick.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2001:4860:4802:34::36 (United States)

ASN15169 (GOOGLE, US)

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

14 2606:4700:10::ac43:1687 (United States)

ASN13335 (CLOUDFLARENET, US)

hypothes.is	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
cdn.hypothes.is	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:828::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

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

2 2a00:1450:4001:827::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

www.google.de	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 35.186.247.156 (Kansas City, United States)

ASN15169 (GOOGLE, US)
PTR: 156.247.186.35.bc.googleusercontent.com

sentry.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 2606:4700::6810:3865 (United States)

ASN13335 (CLOUDFLARENET, US)

cloudflareinsights.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 164.90.245.231 (Santa Clara, United States)

ASN14061 (DIGITALOCEAN-ASN, US)

api.libretexts.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 137.184.36.8 (Santa Clara, United States)

ASN14061 (DIGITALOCEAN-ASN, US)

commons.libretexts.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700:10::6816:33f9 (United States)

ASN13335 (CLOUDFLARENET, US)

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

	Apex Domain Subdomains	Transfer
45	libretexts.net cdn.libretexts.net — Cisco Umbrella Rank: 82029	797 KB
35	cloudflare.com cdnjs.cloudflare.com — Cisco Umbrella Rank: 225	715 KB
29	libretexts.org 2 redirects math.libretexts.org — Cisco Umbrella Rank: 204050 biz.libretexts.org — Cisco Umbrella Rank: 228354 api.libretexts.org — Cisco Umbrella Rank: 107447 commons.libretexts.org — Cisco Umbrella Rank: 110863	725 KB
19	hypothes.is 1 redirects hypothes.is — Cisco Umbrella Rank: 22035 cdn.hypothes.is — Cisco Umbrella Rank: 54547	322 KB
15	mtstatic.com a.mtstatic.com — Cisco Umbrella Rank: 24816 files.mtstatic.com — Cisco Umbrella Rank: 43370	815 KB
6	fontawesome.com use.fontawesome.com — Cisco Umbrella Rank: 971 pro.fontawesome.com — Cisco Umbrella Rank: 5289	238 KB
6	unpkg.com 4 redirects unpkg.com — Cisco Umbrella Rank: 867	17 KB
4	google-analytics.com www.google-analytics.com — Cisco Umbrella Rank: 27 region1.google-analytics.com — Cisco Umbrella Rank: 2029	21 KB
4	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 28	31 KB
3	doubleclick.net stats.g.doubleclick.net — Cisco Umbrella Rank: 79	476 B
3	gstatic.com fonts.gstatic.com	396 KB
3	cloudflareinsights.com static.cloudflareinsights.com — Cisco Umbrella Rank: 811 cloudflareinsights.com — Cisco Umbrella Rank: 794	7 KB
2	google.de www.google.de — Cisco Umbrella Rank: 6518	515 B
2	google.com www.google.com — Cisco Umbrella Rank: 2 region1.analytics.google.com — Cisco Umbrella Rank: 2616	453 B
2	googletagmanager.com www.googletagmanager.com — Cisco Umbrella Rank: 37	170 KB
2	jsdelivr.net cdn.jsdelivr.net — Cisco Umbrella Rank: 324	3 KB
1	donorbox.org donorbox.org — Cisco Umbrella Rank: 49002	4 KB
1	sentry.io sentry.io — Cisco Umbrella Rank: 170	324 B
175	18

	Domain	Requested by
45	cdn.libretexts.net	math.libretexts.org cdn.libretexts.net
35	cdnjs.cloudflare.com	math.libretexts.org cdnjs.cloudflare.com cdn.libretexts.net
24	math.libretexts.org	1 redirects math.libretexts.org cdn.libretexts.net
13	a.mtstatic.com	math.libretexts.org a.mtstatic.com
11	hypothes.is	1 redirects cdn.hypothes.is
8	cdn.hypothes.is	math.libretexts.org hypothes.is cdn.hypothes.is
6	unpkg.com	4 redirects math.libretexts.org
4	use.fontawesome.com	math.libretexts.org use.fontawesome.com
4	fonts.googleapis.com	math.libretexts.org cdn.libretexts.net
3	stats.g.doubleclick.net	www.google-analytics.com www.googletagmanager.com
3	fonts.gstatic.com	fonts.googleapis.com
3	www.google-analytics.com	math.libretexts.org www.google-analytics.com
2	commons.libretexts.org	cdn.libretexts.net
2	api.libretexts.org	cdn.libretexts.net
2	cloudflareinsights.com	static.cloudflareinsights.com
2	www.google.de	math.libretexts.org
2	www.googletagmanager.com	math.libretexts.org www.google-analytics.com
2	pro.fontawesome.com	math.libretexts.org pro.fontawesome.com
2	files.mtstatic.com	math.libretexts.org
2	cdn.jsdelivr.net	math.libretexts.org cdn.libretexts.net
1	donorbox.org	cdn.libretexts.net
1	sentry.io	cdn.hypothes.is
1	region1.analytics.google.com	www.googletagmanager.com
1	www.google.com	math.libretexts.org
1	region1.google-analytics.com	www.googletagmanager.com
1	static.cloudflareinsights.com	math.libretexts.org
1	biz.libretexts.org	1 redirects
175	27

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

Domain
register.libretexts.org
commons.libretexts.org
creativecommons.org
donorbox.org
www.pdx.edu
pdxscholar.library.pdx.edu
mindtouch.com
www.nice.com
libretexts.org

Subject Issuer	Validity	Valid
*.libretexts.org Amazon RSA 2048 M01	`2023-06-13` - `2024-07-11`	a year	crt.sh
*.mtstatic.com Amazon RSA 2048 M01	`2023-08-02` - `2024-08-30`	a year	crt.sh
libretexts.net GTS CA 1P5	`2023-12-27` - `2024-03-26`	3 months	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2023-07-03` - `2024-07-02`	a year	crt.sh
upload.video.google.com GTS CA 1C3	`2023-12-11` - `2024-03-04`	3 months	crt.sh
use.fontawesome.com Cloudflare Inc ECC CA-3	`2023-10-12` - `2024-10-10`	a year	crt.sh
*.fontawesome.com DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-12-04` - `2025-01-03`	a year	crt.sh
*.google-analytics.com GTS CA 1C3	`2023-12-11` - `2024-03-04`	3 months	crt.sh
*.gstatic.com GTS CA 1C3	`2023-12-11` - `2024-03-04`	3 months	crt.sh
*.g.doubleclick.net GTS CA 1C3	`2023-12-11` - `2024-03-04`	3 months	crt.sh
hypothes.is Cloudflare Inc ECC CA-3	`2023-04-28` - `2024-04-26`	a year	crt.sh
www.google.com GTS CA 1C3	`2023-12-11` - `2024-03-04`	3 months	crt.sh
www.google.de GTS CA 1C3	`2023-12-11` - `2024-03-04`	3 months	crt.sh
sentry.io DigiCert Global G2 TLS RSA SHA256 2020 CA1	`2023-08-08` - `2024-09-07`	a year	crt.sh
api.libretexts.org R3	`2023-11-27` - `2024-02-25`	3 months	crt.sh
commons.libretexts.org R3	`2024-01-14` - `2024-04-13`	3 months	crt.sh
donorbox.org E1	`2023-12-03` - `2024-03-02`	3 months	crt.sh

This page contains 2 frames:

Primary Page: https://math.libretexts.org/Bookshelves/Analysis/Introduction_to_Mathematical_Analysis_I_(Lafferriere_Lafferriere_and_Nguyen)/04%3A_Differentiation/4.06%3A_Section_6-
Frame ID: 5D9B4F395657D7D2B3E365AE56312A53
Requests: 158 HTTP requests in this frame

Frame: https://hypothes.is/app.html
Frame ID: 7D6D1F19F6F336E235B782D85C164AB9
Requests: 15 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

4.6: CONVEX FUNCTIONS AND DERIVATIVES - Mathematics LibreTexts

Detected technologies

MathJax (JavaScript Graphics) Expand

Overall confidence: 100%
Detected patterns

([\d.]+)?/mathjax\.js

Bootstrap (Web Frameworks) Expand

Overall confidence: 100%
Detected patterns

bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js

RequireJS (JavaScript Frameworks) Expand

Overall confidence: 100%
Detected patterns

require.*\.js

Cloudflare Browser Insights (Analytics) Expand

Overall confidence: 100%
Detected patterns

static\.cloudflareinsights\.com/beacon(?:\.min)?\.js

Font Awesome (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)

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

jQuery (JavaScript Libraries) Expand

Overall confidence: 100%
Detected patterns

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

jsDelivr (CDN) Expand

Overall confidence: 100%
Detected patterns

//cdn\.jsdelivr\.net/

Page Statistics

175
Requests

97 %
HTTPS

80 %
IPv6

18
Domains

27
Subdomains

25
IPs

3
Countries

4260 kB
Transfer

11806 kB
Size

10
Cookies

11 Outgoing links

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

URL: https://register.libretexts.org/
Title: how_to_reg Request Instructor Account

Search URL Search Domain Scan URL

URL: https://commons.libretexts.org/
Title: hub Instructor Commons

Search URL Search Domain Scan URL

URL: https://creativecommons.org/licenses/by-nc-sa/4.0/

Search URL Search Domain Scan URL

URL: https://donorbox.org/libretexts
Title: Donate

Search URL Search Domain Scan URL

URL: https://www.pdx.edu/math/
Title: Portland State University

Search URL Search Domain Scan URL

URL: https://pdxscholar.library.pdx.edu/pdxopen/12
Title: PDXOpen: Open Educational Resources

Search URL Search Domain Scan URL

URL: https://creativecommons.org/licenses/by-nc-sa/
Title: CC BY-NC-SA

Search URL Search Domain Scan URL

URL: https://mindtouch.com/demo
Title: Powered by CXone Expert ®

Search URL Search Domain Scan URL

URL: https://www.nice.com/resources/cxone-expert-knowledge-management
Title: Powered by NICE CXone Expert

Search URL Search Domain Scan URL

URL: https://libretexts.org/legal/index.html
Title: Legal

Search URL Search Domain Scan URL

URL: https://commons.libretexts.org/accessibility
Title: Accessibility Statement

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 15

https://unpkg.com/@popperjs/core@2 HTTP 302
https://unpkg.com/@popperjs/core@2.11.8 HTTP 302
https://unpkg.com/@popperjs/core@2.11.8/dist/umd/popper.min.js

Request Chain 16

https://unpkg.com/tippy.js@6 HTTP 302
https://unpkg.com/tippy.js@6.3.7 HTTP 302
https://unpkg.com/tippy.js@6.3.7/dist/tippy-bundle.umd.min.js

Request Chain 40

https://hypothes.is/embed.js HTTP 302
https://cdn.hypothes.is/hypothesis

Request Chain 48

https://biz.libretexts.org/@api/deki/files/5084/girl-160172__340.png HTTP 302
https://files.mtstatic.com/site_7336/5084/2?Expires=1705950538&Signature=VMb7~4Fwr9veMZODpUzxrtvmghDrxKjecmGaRMUTrz1ztsNb71sw6gClsFgVHKIxWZnoimYB7XEAOH0vDirAMweSviFsWvi3ICbeFlsbfv6WvluCQcANkdbzEjG4IJi3Z~7P99QVvUHgbcBAjOfIQW0SU~6wWgkX6h6LUIyCM4s_&Key-Pair-Id=APKAJ5Y6AV4GI7A555NA

Request Chain 77

https://math.libretexts.org/@api/deki/files/48935/clipboard_e7de8eeac8e3a14983f5df875de0911e3.png?revision=1 HTTP 302
https://files.mtstatic.com/site_4425/48935/0?Expires=1705951396&Signature=V70Tdzx6SEx5EfnJpcqEhuWRI5GBzNeTB19Eh15jOgpDmHcWIh2WVX1SMToFrNV09umUpcd2vfWbCEYv48vpn9oCy3kWiySuTlSW7sI6SMbCQ9iyDt2JU4q-p~sa8L8El0ZqjLJyqSwEzCtwoQWhQDQm2joJniF1PG2OFAIXe6g_&Key-Pair-Id=APKAJ5Y6AV4GI7A555NA

175 HTTP transactions
0 data transactions

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

GET
H2 200 Primary Request 4.06%3A_Section_6- Show response
math.libretexts.org/Bookshelves/Analysis/Introduction_to_Mathematical_Analysis_I_(Lafferriere_Lafferriere_and_Nguyen)/04%3A_Differentiation/ 134 KB
29 KB 408ms
292ms Document
text/html 2600:9000:25a2:3200:11:2451:2fc0:93a1
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://math.libretexts.org/Bookshelves/Analysis/Introduction_to_Mathematical_Analysis_I_(Lafferriere_Lafferriere_and_Nguyen)/04%3A_Differentiation/4.06%3A_Section_6-

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2600:9000:25a2:3200:11:2451:2fc0:93a1 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

Software

Resource Hash

a46248cc86ad7ee4432eb0303667676640161f81e73c09898e5610ab3a7e16e4

Security Headers

Name	Value
Content-Security-Policy	upgrade-insecure-requests; default-src https: data: filesystem: blob: mediastream: 'unsafe-inline' 'unsafe-eval'; connect-src https: wss:
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.6099.224 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: no-cache, no-store, must-revalidate, max-age=0
content-encoding: br
content-language: en-US
content-length: 29057
content-security-policy: upgrade-insecure-requests; default-src https: data: filesystem: blob: mediastream: 'unsafe-inline' 'unsafe-eval'; connect-src https: wss:
content-type: text/html; charset=utf-8
date: Mon, 22 Jan 2024 18:23:15 GMT
expires: -1
strict-transport-security: max-age=31536000; includeSubDomains
vary: Accept-Encoding,Cookie
via: 1.1 b03c46754456cd1729ff37c2faafd4ec.cloudfront.net (CloudFront)
x-amz-cf-id: 4bldKI9EeUUbt7EDlq4e0V0ZJaVvLjTbIqKD5OxbPI5TJhERP8dBkg==
x-amz-cf-pop: ZRH55-P1
x-cache: Miss from cloudfront
x-content-type-options: nosniff
x-deki-site: id=site_4425
x-xss-protection: 1; mode=block

GET
H2 200 anonymous.css
a.mtstatic.com/@cache/layout/ 1 MB
121 KB 71ms
38ms Stylesheet
text/css 18.165.183.125
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://a.mtstatic.com/@cache/layout/anonymous.css?_=155f78c0b05913899937ed55a71443d7_bWF0aC5saWJyZXRleHRzLm9yZw==:site_4425

Requested by

Host: math.libretexts.org
URL: https://math.libretexts.org/Bookshelves/Analysis/Introduction_to_Mathematical_Analysis_I_(Lafferriere_Lafferriere_and_Nguyen)/04%3A_Differentiation/4.06%3A_Section_6-

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

18.165.183.125 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

server-18-165-183-125.zrh55.r.cloudfront.net

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nel: {"report_to":"heroku-nel","max_age":3600,"success_fraction":0.005,"failure_fraction":0.05,"response_headers":["Via"]}
server: cloudflare
age: 4
vary: Accept-Encoding
report-to: {"group":"heroku-nel","max_age":3600,"endpoints":[{"url":"https://nel.heroku.com/reports?ts=1705941336&sid=1b10b0ff-8a76-4548-befa-353fc6c6c045&s=yWvaaeAugFxIysExkFb8ixybUH97yon8Iw7Fag6VM5o%3D"}]}
content-type: application/javascript
cache-control: public, s-maxage=120, max-age=0
cf-ray: 8499d3d20a831e58-FRA
reporting-endpoints: heroku-nel=https://nel.heroku.com/reports?ts=1705941336&sid=1b10b0ff-8a76-4548-befa-353fc6c6c045&s=yWvaaeAugFxIysExkFb8ixybUH97yon8Iw7Fag6VM5o%3D

GET
H3 200 flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2
fonts.gstatic.com/s/materialicons/v140/ 125 KB
125 KB 7ms
7ms Font
font/woff2 2a00:1450:4001:813::2003
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.gstatic.com/s/materialicons/v140/flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2

Requested by

Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/icon?family=Material+Icons

Protocol

Security

QUIC, , AES_128_GCM

Server

2a00:1450:4001:813::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

sffe /

Resource Hash

8265f64786397d6b832d1ca0aafdf149ad84e72759fffa9f7272e91a0fb015d1

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

Referer: https://fonts.googleapis.com/
Origin: https://math.libretexts.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/120.0.6099.224 Safari/537.36

Response headers

date: Wed, 17 Jan 2024 02:23:33 GMT
x-content-type-options: nosniff
age: 489586
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 128352
x-xss-protection: 0
last-modified: Tue, 07 Mar 2023 19:51:56 GMT
server: sffe
cross-origin-opener-policy: same-origin; report-to="apps-themes"
report-to: {"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
content-type: font/woff2
access-control-allow-origin: *
cache-control: public, max-age=31536000
accept-ranges: bytes
timing-allow-origin: *
expires: Thu, 16 Jan 2025 02:23:33 GMT

Verdicts & Comments Add Verdict or Comment

343 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.

10 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
math.libretexts.org/	1969-12-31 23:59:59	Name: mtwebsession Value: deb3e89d5d1b02a5019978ab62c7e4ae
.math.libretexts.org/	1970-01-21 03:28:27	Name: dekisession Value: "YjY4MGU4MDgtNjIzMC00Yjg4LWE2NzUtZjJkMjBkZDkwNzdmfDIwMjQtMDEtMjJUMTg6MjM6MTU="
.math.libretexts.org/	1970-01-21 03:28:27	Name: _ga Value: GA1.3.602609159.1705947796
.math.libretexts.org/	1970-01-20 17:53:54	Name: _gid Value: GA1.3.498437645.1705947796
.math.libretexts.org/	1970-01-20 17:52:27	Name: _gat Value: 1
.math.libretexts.org/	1970-01-20 17:52:27	Name: _gat_mtTracker Value: 1
.libretexts.org/	1970-01-21 03:28:27	Name: _ga_W54GSR4LTG Value: GS1.1.1705947795.1.0.1705947795.0.0.0
.libretexts.org/	1970-01-21 03:28:27	Name: _ga Value: GA1.1.602609159.1705947796
.biz.libretexts.org/	1970-01-21 03:28:27	Name: dekisession Value: "MDE1YTAxODItNWZiNS00YTkxLWIxNDctNGU0ZGMyMjhiZTIwfDIwMjQtMDEtMjJUMTg6MjM6MTU="
.math.libretexts.org/	1970-01-21 03:28:27	Name: _ga_YNNYBFB9RM Value: GS1.3.1705947795.1.0.1705947795.60.0.0

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
Content-Security-Policy	upgrade-insecure-requests; default-src https: data: filesystem: blob: mediastream: 'unsafe-inline' 'unsafe-eval'; connect-src https: wss:
Strict-Transport-Security	max-age=31536000; includeSubDomains
X-Content-Type-Options	nosniff
X-Xss-Protection	1; mode=block

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.

a.mtstatic.com
api.libretexts.org
biz.libretexts.org
cdn.hypothes.is
cdn.jsdelivr.net
cdn.libretexts.net
cdnjs.cloudflare.com
cloudflareinsights.com
commons.libretexts.org
donorbox.org
files.mtstatic.com
fonts.googleapis.com
fonts.gstatic.com
hypothes.is
math.libretexts.org
pro.fontawesome.com
region1.analytics.google.com
region1.google-analytics.com
sentry.io
static.cloudflareinsights.com
stats.g.doubleclick.net
unpkg.com
use.fontawesome.com
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
137.184.36.8
164.90.245.231
18.165.183.125
18.165.183.85
2001:4860:4802:34::36
2600:9000:25a2:3200:11:2451:2fc0:93a1
2606:4700:10::6816:33f9
2606:4700:10::6816:369f
2606:4700:10::ac43:1687
2606:4700:3034::ac43:d829
2606:4700:4400::6812:2844
2606:4700::6810:3865
2606:4700::6810:3965
2606:4700::6810:5514
2606:4700::6810:7aaf
2606:4700::6811:180e
2606:4700:e2::ac40:8d0d
2a00:1450:4001:80f::2008
2a00:1450:4001:813::2003
2a00:1450:4001:827::2003
2a00:1450:4001:828::2004
2a00:1450:4001:82a::200a
2a00:1450:4001:82b::200e
2a00:1450:400c:c00::9a
35.186.247.156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651f0936d56f0c7931d7cf2e90574dbd3202e4b0d49eecc4d6cc973248c7d58b
6526d6fe25b1a1dc41108a0ecf63336ec8b93f02b97249ad027df78bd6316b77
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6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
6e179fbbaaba6de1e44baa3aa23a7c01ff52de2f78fdd8fc5a5ab2c0143e09ad
6ea0787cce1310cfd84381d8b087a37ceadbd4fccc8808bf3a16c0a29b9651a6
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70cec2218b34cbd40f892f3ded4cf6d47320243677cbd8dd6f075052611b154b
73ec0c1d016f034d20f45d95602594008ad8cee460202d522216491efb158e63
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81a803d951152d9ce5b5d9c4922ba6ad63bdc40c0a112ba4c0307419e758b79f
81d8b5334de3103781809afb05cb07cb73b0589d533bc6d95f0fd39c743d42be
8265f64786397d6b832d1ca0aafdf149ad84e72759fffa9f7272e91a0fb015d1
82d0b663fe492a529e77ca45dab303b852724d1fa4f23d2726234ea4c1ab788b
83b1dfaacb0540d32ae41cd12a0d741593118d65b8a7e023988f3c0f81b3ad30
83d052d8ce7f6ef4878881197908640a924fd22068ac0e669c3ce7b24fbcf4e5
84c886d1b425eab40c053133b3315c909f1ac3c7a16716a4cd304ec4e0712526
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8a90644fc9b7d877ff0656af1453e8fd1aca44fc25bac911df7e14821e7e1a80
8bed6127933ff481bf17b175d6b03f40e2d777fda59b25803f2bb73d8ba53d83
8bfce5234dc285f9a3a1a02375cf9db78e505f87836ab7fa16f5f0aad44b61bd
8da63bdb8284b926f3eeedd2bc84b735aef8842f0179566bcf6d5b6edb858503
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9aa0b13f4f959853a3592cb860a66f282f82e73e29e03fe0a9258f0ebd76d93d
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9f820fca8e53f8fac856ccbdd9fed12564e3d8b689d39635c4c20fb8ed4320f8
9faa2f18326446eceb1c21119d895daba3a367fca893ac07b65663732f35ffa5
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a965e2f201eae578fc99a83f66049fd51fe1a705a78fde54148343e2fef6c43e
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b15c652344d1557f2b45dd00f6d5d233caeb3b445206bf6d88e8113cf368bb18
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d746f1cd91fbb26b814c2fda2624569f094a78a83929e4644ace67320425ef91
db33d4f2f220e7f4c0781e0187665337a4e7518a8094bd7f19bc63932daef6c7
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math.libretexts.org Open in urlscan Pro 2600:9000:25a2:3200:11:2451:2fc0:93a1 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Detected technologies

Page Statistics

175 Requests

97 %HTTPS

80 %IPv6

18 Domains

27 Subdomains

25 IPs

3 Countries

4260 kBTransfer

11806 kBSize

10 Cookies

11 Outgoing links

Redirected requests

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

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math.libretexts.org Open in urlscan Pro
2600:9000:25a2:3200:11:2451:2fc0:93a1 Public Scan

Screenshot
Live screenshot

Full Image

175
Requests

97 %
HTTPS

80 %
IPv6

18
Domains

27
Subdomains

25
IPs

3
Countries

4260 kB
Transfer

11806 kB
Size

10
Cookies

175 HTTP transactions
0 data transactions