datatracker.ietf.org
2606:4700::6810:2c63 Public Scan Open in urlscan Pro

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Submitted URL:
https://tools.ietf.org/html/rfc9110#section-15.5.1 13yr old
Effective URL:
https://datatracker.ietf.org/doc/html/rfc9110 9yr old
Submission: On April 14 via manual (April 14th 2026, 5:45:35 am UTC) from DK — Scanned from DK

Summary HTTP 24 Redirects Links 100 Behaviour Indicators

Summary

This website contacted 2 IPs in 1 countries across 1 domains to perform 24 HTTP transactions. The main IP is 2606:4700::6810:2c63, located in and belongs to CLOUDFLARENET - Cloudflare, Inc., US. The main domain is datatracker.ietf.org. The Cisco Umbrella rank of the primary domain is 466332. 9yr old
TLS certificate: Issued by E8 on March 11th 2026. Valid for: 3mo.

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

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
1 1	2606:4700::68... 2606:4700::6810:2d63	13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
1 25	2606:4700::68... 2606:4700::6810:2c63	13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
24	2

1 2606:4700::6810:2d63 (None, ) 1 redirects

ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US)

tools.ietf.org 13yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

25 2606:4700::6810:2c63 (None, ) 1 redirects

ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US)

datatracker.ietf.org 9yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools
static.ietf.org 3yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools
analytics.ietf.org 6yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

	Apex Domain Subdomains	Transfer
26	ietf.org 2 redirects tools.ietf.org — Cisco Umbrella Rank: 938240 13yr old datatracker.ietf.org — Cisco Umbrella Rank: 466332 9yr old static.ietf.org — Cisco Umbrella Rank: 737070 3yr old analytics.ietf.org 6yr old	775 KB
24	1

	Domain	Requested by
18	static.ietf.org	datatracker.ietf.org static.ietf.org
5	datatracker.ietf.org	1 redirects datatracker.ietf.org static.ietf.org
2	analytics.ietf.org	datatracker.ietf.org analytics.ietf.org
1	tools.ietf.org	1 redirects
24	4

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

Domain
www.rfc-editor.org
lists.w3.org
github.com
trustee.ietf.org
roy.gbiv.com
www.iana.org
arxiv.org
mimesniff.spec.whatwg.org
ieeexplore.ieee.org

Subject Issuer	Validity	Valid
ietf.org E8	`2026-03-11` - `2026-06-09`	3mo	crt.sh
static.ietf.org WE1	`2026-04-13` - `2026-07-12`	3mo	crt.sh

This page contains 2 frames:

Primary Page: https://datatracker.ietf.org/doc/html/rfc9110
Frame ID: 7EF9B324D88725F9AE49B8F651A1FB71
Requests: 23 HTTP requests in this frame

Frame: https://datatracker.ietf.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js
Frame ID: 65D745411F69EC739B482C8549EA5AA0
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

RFC 9110 - HTTP Semantics

Page URL History Show full URLs

https://tools.ietf.org/html/rfc9110 HTTP 301
https://datatracker.ietf.org/doc/html/rfc9110 Page URL

Detected technologies

Vue.js (JavaScript frameworks) Expand

Overall confidence: 100%
Detected patterns

<(?!svg)[^>]+\sdata-v(?:ue)?-

Cloudflare Bot Management (Security) Expand

Overall confidence: 100%
Detected patterns

Page Statistics

24
Requests

96 %
HTTPS

100 %
IPv6

1
Domains

4
Subdomains

2
IPs

1
Countries

774 kB
Transfer

2477 kB
Size

2
Cookies

100 Outgoing links

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

URL: https://www.rfc-editor.org/errata_search.php?rfc=9110
Title: View errata

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/errata.php#reportnew
Title: Report errata

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9110.txt
Title: txt

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9110.html
Title: html

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9110.xml
Title: xml

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9110.pdf
Title: pdf

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/inline-errata/rfc9110.html
Title: w/errata

Search URL Search Domain Scan URL

URL: http://lists.w3.org/Archives/Public/ietf-http-wg/
Title: Mailing list discussion

Search URL Search Domain Scan URL

URL: https://github.com/ietf-tools/datatracker/issues/new/choose
Title: Report a bug

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9110
Title: 9110

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2818
Title: 2818

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7230
Title: 7230

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7231
Title: 7231

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7232
Title: 7232

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7233
Title: 7233

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7235
Title: 7235

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7538
Title: 7538

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7615
Title: 7615

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7694
Title: 7694

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3864
Title: 3864

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/info/rfc9110
Title: https://www.rfc-editor.org/info/rfc9110

Search URL Search Domain Scan URL

URL: https://trustee.ietf.org/license-info
Title: https://trustee.ietf.org/license-info

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc5234#appendix-B.1
Title: Appendix B.1

Search URL Search Domain Scan URL

URL: https://roy.gbiv.com/pubs/dissertation/top.htm
Title: REST

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/info/bcp35
Title: BCP35

Search URL Search Domain Scan URL

URL: https://www.iana.org/assignments/uri-schemes/
Title: https://www.iana.org/assignments/uri-schemes/

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-3.2.2
Title: Section 3.2.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-3.2.3
Title: Section 3.2.3

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-6
Title: Section 6

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-6.2.3
Title: Section 6.2.3

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-2.1
Title: 2.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-2.2
Title: 2.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-6.2
Title: Section 6.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-3.2.1
Title: Section 3.2.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-3.5
Title: Section 3.5

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-4.3
Title: Section 4.3

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc6125#section-6
Title: Section 6

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc6125#section-6.2.1
Title: Section 6.2.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc5280#section-4.2.1.6
Title: Section 4.2.1.6

Search URL Search Domain Scan URL

URL: http://arxiv.org/abs/cs.SE/0105018
Title: Kri2001

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-11.2
Title: Section 11.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-4.2
Title: Section 4.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc5322#section-3.3
Title: Section 3.3

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-6
Title: Section 6

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-7.1.2
Title: Section 7.1.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc5322#section-3.6.1
Title: Section 3.6.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-3.3
Title: Section 3.3

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-9.5
Title: Section 9.5

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9113#section-6.4
Title: Section 6.4

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#appendix-C.2.2
Title: Appendix C.2.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2068#section-19.7.1
Title: Section 19.7.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-6.1
Title: Section 6.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-5.2
Title: Section 5.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc5322#section-3.6.7
Title: Section 3.6.7

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-3.2.1
Title: Section 3.2.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-3.2.4
Title: Section 3.2.4

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-5.2.2.6
Title: Section 5.2.2.6

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-7
Title: Section 7

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2046#section-4.5.1
Title: Section 4.5.1

Search URL Search Domain Scan URL

URL: https://mimesniff.spec.whatwg.org/
Title: Sniffing

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2046#section-4.1.2
Title: Section 4.1.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/info/bcp13
Title: BCP13

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc6365#section-2
Title: Section 2

Search URL Search Domain Scan URL

URL: https://www.iana.org/assignments/character-sets
Title: https://www.iana.org/assignments/character-sets

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2978#section-2
Title: Section 2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2978#section-2.3
Title: Section 2.3

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/errata/eid1912
Title: Err1912

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/errata/eid5433
Title: Err5433

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2046#section-5.1.1
Title: Section 5.1.1

Search URL Search Domain Scan URL

URL: https://ieeexplore.ieee.org/document/1659158/
Title: Welch

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-6.2
Title: Section 6.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-5
Title: Section 5

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2557#section-4
Title: Section 4

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2616#section-3.11
Title: Section 3.11

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-1.2.2
Title: Section 1.2.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-4.3.5
Title: Section 4.3.5

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-4.2.1
Title: Section 4.2.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-4
Title: Section 4

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-4.4
Title: Section 4.4

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-10.1
Title: Section 10.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9112#section-9.6
Title: Section 9.6

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc5322#section-3.4
Title: Section 3.4

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc3986#section-4.2
Title: Section 4.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-3.5
Title: Section 3.5

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7616#section-3.5
Title: Section 3.5

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc5789#section-3.1
Title: Section 3.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc4647#section-2.3
Title: Section 2.3

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc4647#section-3
Title: Section 3

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc4647#section-3.3.1
Title: Section 3.3.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2616#section-14.4
Title: Section 14.4

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-4.1
Title: Section 4.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc4918#section-10.4
Title: Section 10.4

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-4.3.2
Title: Section 4.3.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2046#section-5.1
Title: Section 5.1

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-4.2.2
Title: Section 4.2.2

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc1945#section-9.3
Title: Section 9.3

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc2068#section-10.3
Title: Section 10.3

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc9111#section-4.3.4
Title: Section 4.3.4

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7231#appendix-B
Title: Appendix B

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc7538#section-4
Title: Section 4

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.

https://tools.ietf.org/html/rfc9110 HTTP 301
https://datatracker.ietf.org/doc/html/rfc9110 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 18

https://datatracker.ietf.org/cdn-cgi/challenge-platform/scripts/jsd/main.js HTTP 302
https://datatracker.ietf.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js

24 HTTP transactions
1 data transactions

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

GET
H3

200

Primary Request rfc9110 Show response
datatracker.ietf.org/doc/html/
Redirect Chain

https://tools.ietf.org/html/rfc9110
https://datatracker.ietf.org/doc/html/rfc9110

1 MB
196 KB

231ms
186ms

Document
text/html

2606:4700::6810:2c63
Cloudflare

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Full URL

https://datatracker.ietf.org/doc/html/rfc9110

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700::6810:2c63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),

Reverse DNS

Software

cloudflare /

Resource Hash

0a55670d77db267f93a6af4700602d1362811394bd150d3c0855e4b8d89705b3

Security Headers

Name	Value
Content-Security-Policy	default-src 'self' 'unsafe-inline' data: https://datatracker.ietf.org/ https://www.ietf.org/ http://ietf.org/ https://analytics.ietf.org https://static.ietf.org; frame-ancestors 'self' ietf.org .ietf.org meetecho.com .meetecho.com
Strict-Transport-Security	max-age=3600; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
sec-ch-ua: "Chromium";v="147", "Google Chrome";v="147", "Not-A.Brand";v="24"
sec-ch-ua-mobile: ?0
sec-ch-ua-platform: "Linux"

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: public, max-age=14400
cf-cache-status: HIT
cf-ray: 9ec067bdcde19924-ARN
content-encoding: br
content-security-policy: default-src 'self' 'unsafe-inline' data: https://datatracker.ietf.org/ https://www.ietf.org/ http://ietf.org/ https://analytics.ietf.org https://static.ietf.org; frame-ancestors 'self' ietf.org *.ietf.org meetecho.com *.meetecho.com
content-type: text/html; charset=utf-8
cross-origin-opener-policy: unsafe-none
date: Tue, 14 Apr 2026 05:45:35 GMT
expires: Tue, 14 Apr 2026 09:45:35 GMT
priority: u=0,i
referrer-policy: strict-origin-when-cross-origin
server: cloudflare
server-timing: cfExtPri
strict-transport-security: max-age=3600; includeSubDomains
vary: Cookie
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN

Redirect headers

alt-svc: h3=":443"; ma=86400
cf-ray: 9ec067bd4d6846ab-ARN
content-length: 0
date: Tue, 14 Apr 2026 05:45:35 GMT
location: https://datatracker.ietf.org/doc/html/rfc9110
priority: u=0,i
server: cloudflare
server-timing: cfExtPri
x-robots-tag: noindex, nofollow

GET
H2 200 import.css
static.ietf.org/fonts/inter/ 17 KB
746 B 114ms
39ms Stylesheet
text/css 2606:4700::6810:2c63
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Full URL: https://static.ietf.org/fonts/inter/import.css
Requested by: Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc9110
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700::6810:2c63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software: cloudflare /
Resource Hash: 2c7ca5045d08246698e0d013365deb0503a2ef9edc7b93dc2639894611f93173

Request headers

sec-ch-ua-platform: "Linux"
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
sec-ch-ua: "Chromium";v="147", "Google Chrome";v="147", "Not-A.Brand";v="24"
sec-ch-ua-mobile: ?0

Response headers

cache-control: public, max-age=3600
content-encoding: br
cf-cache-status: HIT
etag: W/"7b61f256640b0692a7f9fe4e680aac32"
age: 80814
cf-ray: 9ec067bf7fef13b8-ARN
expires: Tue, 14 Apr 2026 06:45:35 GMT
access-control-allow-origin: *
date: Tue, 14 Apr 2026 05:45:35 GMT
content-type: text/css
last-modified: Tue, 18 Jul 2023 15:35:09 GMT
vary: Accept-Encoding
server: cloudflare

GET
H2 200 import.css
static.ietf.org/fonts/noto-sans-mono/ 20 KB
888 B 111ms
37ms Stylesheet
text/css 2606:4700::6810:2c63
Cloudflare

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Full URL: https://static.ietf.org/fonts/noto-sans-mono/import.css
Requested by: Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc9110
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700::6810:2c63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software: cloudflare /
Resource Hash: c64d8d328d884c4c61b9ebb98a4a2f9613e6de00c8d6f1d880380ba8627630a9

Request headers

sec-ch-ua-platform: "Linux"
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
sec-ch-ua: "Chromium";v="147", "Google Chrome";v="147", "Not-A.Brand";v="24"
sec-ch-ua-mobile: ?0

Response headers

cache-control: public, max-age=3600
content-encoding: br
cf-cache-status: HIT
etag: W/"45c68dabf31645a5242a4febcc3fbb59"
age: 63982
cf-ray: 9ec067bf7fed13b8-ARN
expires: Tue, 14 Apr 2026 06:45:35 GMT
access-control-allow-origin: *
date: Tue, 14 Apr 2026 05:45:35 GMT
content-type: text/css
last-modified: Tue, 18 Jul 2023 15:41:39 GMT
vary: Accept-Encoding
server: cloudflare

GET
H2 200 document_html_referenced.css
static.ietf.org/dt/12.61.0/ietf/css/ 297 KB
43 KB 113ms
38ms Stylesheet
text/css 2606:4700::6810:2c63
Cloudflare

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Full URL: https://static.ietf.org/dt/12.61.0/ietf/css/document_html_referenced.css
Requested by: Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc9110
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
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accept-ranges: bytes
access-control-allow-origin: *
content-length: 115556
date: Tue, 14 Apr 2026 05:45:36 GMT
content-type: font/woff2
last-modified: Mon, 15 May 2023 20:04:06 GMT
vary: Origin, Accept-Encoding
server: cloudflare

GET
H2 200 matomo.js Show response
analytics.ietf.org/ 66 KB
22 KB 115ms
41ms Script
application/javascript 2606:4700::6810:2c63
Cloudflare

General

Check archive.org

Download Go to

Full URL: https://analytics.ietf.org/matomo.js
Requested by: Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc9110
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700::6810:2c63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software: cloudflare /
Resource Hash: 1762dd6a64fcd59421610b68625258f9224a1f278159c4d99282adb631470465

Request headers

sec-ch-ua-platform: "Linux"
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
sec-ch-ua: "Chromium";v="147", "Google Chrome";v="147", "Not-A.Brand";v="24"
sec-ch-ua-mobile: ?0

Response headers

cache-control: public, max-age=86400
content-encoding: br
cf-cache-status: HIT
pragma: public
age: 83453
etag: W/"698296d5-10984"
cf-ray: 9ec067c1feb93017-ARN
expires: Wed, 15 Apr 2026 05:45:36 GMT
alt-svc: h3=":443"; ma=86400
date: Tue, 14 Apr 2026 05:45:36 GMT
content-type: application/javascript
last-modified: Wed, 04 Feb 2026 00:46:13 GMT
server: cloudflare

GET
H2 200 Status-173c0fda.js Show response
static.ietf.org/dt/12.61.0/assets/ 2 KB
1 KB 37ms
37ms Script
text/javascript 2606:4700::6810:2c63
Cloudflare

General

Check archive.org

Download Go to

Full URL: https://static.ietf.org/dt/12.61.0/assets/Status-173c0fda.js
Requested by: Host: static.ietf.org
URL: https://static.ietf.org/dt/12.61.0/assets/create-pinia-singleton-4d43eee5.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700::6810:2c63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software: cloudflare /
Resource Hash: e38a18b854e8d62a346d57b4d28d4934c463146ec75dd751610a27e56fc2584e

Request headers

Origin: https://datatracker.ietf.org
sec-ch-ua-platform: "Linux"
Referer
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
sec-ch-ua: "Chromium";v="147", "Google Chrome";v="147", "Not-A.Brand";v="24"
sec-ch-ua-mobile: ?0

Response headers

cache-control: public, max-age=3600
content-encoding: br
cf-cache-status: HIT
etag: W/"827423ebdfc82a696f2bf4cbbcf45da1"
age: 32897
cf-ray: 9ec067c31aa45318-ARN
expires: Tue, 14 Apr 2026 06:45:36 GMT
access-control-allow-origin: *
date: Tue, 14 Apr 2026 05:45:36 GMT
content-type: text/javascript
last-modified: Thu, 09 Apr 2026 17:35:05 GMT
server: cloudflare
vary: Origin, Accept-Encoding

GET
H3

200

main.js Show response
datatracker.ietf.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/ Frame 65D7
Redirect Chain

https://datatracker.ietf.org/cdn-cgi/challenge-platform/scripts/jsd/main.js
https://datatracker.ietf.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js?

25 KB
12 KB

33ms
33ms

Script
application/javascript

2606:4700::6810:2c63
Cloudflare

General

Check archive.org

Download Go to

Full URL

https://datatracker.ietf.org/cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js?

Requested by

Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc9110

Protocol

Server

2606:4700::6810:2c63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),

Reverse DNS

Software

cloudflare /

Resource Hash

edd21070b9086bd79bfde960a199d6f2b899417d9de1d6b5fe8edcebfa64500f

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
Referer

Response headers

cache-control: max-age=14400, stale-if-error=10800, stale-while-revalidate=10800, public
content-encoding: br
x-content-type-options: nosniff
cf-ray: 9ec067c3b87c9924-ARN
alt-svc: h3=":443"; ma=86400
server-timing: cfExtPri
date: Tue, 14 Apr 2026 05:45:36 GMT
content-type: application/javascript; charset=UTF-8
server: cloudflare
priority: u=3,i=?0

Redirect headers

cache-control: max-age=300, stale-if-error=10800, stale-while-revalidate=10800, public
location: /cdn-cgi/challenge-platform/h/g/scripts/jsd/b0a7532ac8ec/main.js?
cf-ray: 9ec067c3384d9924-ARN
access-control-allow-origin: *
alt-svc: h3=":443"; ma=86400
content-length: 0
server-timing: cfExtPri
date: Tue, 14 Apr 2026 05:45:36 GMT
server: cloudflare
priority: u=3,i=?0

GET
DATA 200
OK truncated
/ 183 B
0 Image
image/svg+xml

General

Check archive.org

Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: d8c89b0459ec4d6069037002ff5d824395ff37dbf866bc4298fce22d336b182a

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
Referer

Response headers

Content-Type: image/svg+xml

POST
H2 204 matomo.php
analytics.ietf.org/ 0
0 513ms
512ms Ping
text/html 2606:4700::6810:2c63
Cloudflare

General

Check archive.org

Download Go to

Full URL: https://analytics.ietf.org/matomo.php?action_name=RFC%209110%20-%20HTTP%20Semantics&idsite=7&rec=1&r=398469&h=7&m=45&s=36&url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Frfc9110%23section-15.5.1&_id=&_idn=1&send_image=0&_refts=0&pv_id=ASIWzR&pf_net=45&pf_srv=186&pf_tfr=113&pf_dm1=652&uadata=%7B%22formFactors%22%3A%5B%22Desktop%22%5D%2C%22fullVersionList%22%3A%5B%7B%22brand%22%3A%22Chromium%22%2C%22version%22%3A%22147.0.0.0%22%7D%2C%7B%22brand%22%3A%22Google%20Chrome%22%2C%22version%22%3A%22147.0.0.0%22%7D%2C%7B%22brand%22%3A%22Not-A.Brand%22%2C%22version%22%3A%2224.0.0.0%22%7D%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22Linux%22%2C%22platformVersion%22%3A%22%22%7D&pdf=1&qt=0&realp=0&wma=0&fla=0&java=0&ag=0&cookie=1&res=1600x1200
Requested by: Host: analytics.ietf.org
URL: https://analytics.ietf.org/matomo.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700::6810:2c63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software: /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua-platform: "Linux"
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
sec-ch-ua: "Chromium";v="147", "Google Chrome";v="147", "Not-A.Brand";v="24"
Content-Type: application/x-www-form-urlencoded; charset=utf-8
sec-ch-ua-mobile: ?0

Response headers

GET
H3 200 latest.json Show response
datatracker.ietf.org/status/ 21 B
527 B 41ms
40ms Fetch
application/json 2606:4700::6810:2c63
Cloudflare

General

Check archive.org

Download Go to

Full URL

https://datatracker.ietf.org/status/latest.json

Requested by

Host: static.ietf.org
URL: https://static.ietf.org/dt/12.61.0/assets/Status-173c0fda.js

Protocol

Security

QUIC, , AES_128_GCM

Server

2606:4700::6810:2c63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),

Reverse DNS

Software

cloudflare /

Resource Hash

02a8efa9ca9e2eb5890f0bfab23debcafffccc4bc12190f91d4675c9539c6e67

Security Headers

Name	Value
Content-Security-Policy	default-src 'self' 'unsafe-inline' data: https://datatracker.ietf.org/ https://www.ietf.org/ http://ietf.org/ https://analytics.ietf.org https://static.ietf.org; frame-ancestors 'self' ietf.org .ietf.org meetecho.com .meetecho.com
Strict-Transport-Security	max-age=3600; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN

Request headers

sec-ch-ua-platform: "Linux"
Referer: https://datatracker.ietf.org/doc/html/rfc9110
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
sec-ch-ua: "Chromium";v="147", "Google Chrome";v="147", "Not-A.Brand";v="24"
sec-ch-ua-mobile: ?0

Response headers

cf-cache-status: HIT
etag: "ca1e9866f5f9956ba23cd89e22f4c9f1"
age: 209
x-content-type-options: nosniff
expires: Tue, 14 Apr 2026 09:45:36 GMT
alt-svc: h3=":443"; ma=86400
server-timing: cfExtPri
date: Tue, 14 Apr 2026 05:45:36 GMT
content-type: application/json
vary: Cookie, origin
priority: u=1,i
x-frame-options: SAMEORIGIN
strict-transport-security: max-age=3600; includeSubDomains
content-security-policy: default-src 'self' 'unsafe-inline' data: https://datatracker.ietf.org/ https://www.ietf.org/ http://ietf.org/ https://analytics.ietf.org https://static.ietf.org; frame-ancestors 'self' ietf.org *.ietf.org meetecho.com *.meetecho.com
cache-control: public, max-age=14400
cross-origin-opener-policy: unsafe-none
referrer-policy: strict-origin-when-cross-origin
cf-ray: 9ec067c3d8909924-ARN
accept-ranges: bytes
content-length: 21
server: cloudflare

GET
H2 200 ietf-logo-nor-32.png
static.ietf.org/dt/12.61.0/ietf/images/ 857 B
1010 B 38ms
38ms Other
image/png 2606:4700::6810:2c63
Cloudflare

General

Check archive.org

Download Go to

Full URL: https://static.ietf.org/dt/12.61.0/ietf/images/ietf-logo-nor-32.png
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700::6810:2c63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software: cloudflare /
Resource Hash: 9b8ea08883a7ba9f91e7c137c89a4356d621ade48207f392fa9c77fd41d23c5f

Request headers

sec-ch-ua-platform: "Linux"
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
sec-ch-ua: "Chromium";v="147", "Google Chrome";v="147", "Not-A.Brand";v="24"
sec-ch-ua-mobile: ?0

Response headers

cache-control: public, max-age=3600
cf-cache-status: HIT
etag: "2bc4894b1a88b27c62d83b61c527c7af"
age: 32891
cf-ray: 9ec067c3fa8213b8-ARN
expires: Tue, 14 Apr 2026 06:45:36 GMT
accept-ranges: bytes
access-control-allow-origin: *
content-length: 857
date: Tue, 14 Apr 2026 05:45:36 GMT
content-type: image/png
last-modified: Thu, 09 Apr 2026 17:35:06 GMT
server: cloudflare
vary: Accept-Encoding

POST
H3 200 9ec067bdcde19924 Show response
datatracker.ietf.org/cdn-cgi/challenge-platform/h/g/jsd/oneshot/b0a7532ac8ec/0.6864809604083908:1776143327:5WKpuc1_eK9NQQYF_SekMGAZ1rkJXEh83BlaURFR62M/ Frame 65D7 0
1 KB 41ms
33ms XHR
text/plain 2606:4700::6810:2c63
Cloudflare

General

Check archive.org

Download Go to

Full URL: https://datatracker.ietf.org/cdn-cgi/challenge-platform/h/g/jsd/oneshot/b0a7532ac8ec/0.6864809604083908:1776143327:5WKpuc1_eK9NQQYF_SekMGAZ1rkJXEh83BlaURFR62M/9ec067bdcde19924
Requested by: Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/cdn-cgi/challenge-platform/scripts/jsd/main.js
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 2606:4700::6810:2c63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software: cloudflare /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

sec-ch-ua-platform: "Linux"
Referer
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/147.0.0.0 Safari/537.36
sec-ch-ua: "Chromium";v="147", "Google Chrome";v="147", "Not-A.Brand";v="24"
Content-Type: text/plain;charset=UTF-8
sec-ch-ua-mobile: ?0

Response headers

timing-allow-origin: https://datatracker.ietf.org
cf-ray: 9ec067c428a69924-ARN
alt-svc: h3=":443"; ma=86400
server-timing: cfExtPri
content-length: 0
cf-chl-out-s: 5vUiAtA6pPTMKcX8MvQN80ifZC+phfXETotpudL87myS62pgljaDpEUB/kluAvhjcBq4K4fthieEEmqRTGxVzS2/IQ9EN4KQKAnIyX3l96lpZhXyqRDYU5TsZaNrQq0SrEYKXiACNSySUEer09MlMGm2SKFVuhk1e+sAObaLrCFsymer9EeayAVWRJEltu8vAcaqIB4H7tWAybzph8N4eoQeLjyfBhoQJDSCI1zFJ+/ZI49DlKTdNWUqGiYa8exf$Oa/T7oxsi0R9LnCfUJoCMQ==
date: Tue, 14 Apr 2026 05:45:36 GMT
content-type: text/plain; charset=UTF-8
server: cloudflare
priority: u=1,i

Verdicts & Comments Add Verdict or Comment

14 JavaScript Window variables

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

2 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
			.ietf.org/	1970-01-21 22:08:01	Name: cf_clearance Value: 4BBFnGsL5gshCQFgPOiXiCG1ZIT.5mczsRvAoUfF5kA-1776145536-1.2.1.1-rGpVwg9AgPqbxo_VCITojbx7EpidLiHYgH2vXXPKzofP.YjHxF.HQuT1VNRXG2FxvNAjPekCiDnI0Kh3Jh1HXsThmrRXG4_tNEYIJAFfTLDz8F_yunv_rPwTZpx5X3k0nhYeeUn7LPWhbLkb9uv4u49AQwaSyPWxa0HxNwNQ7J4RA_Ti1DCpvO_ZuQLUZnbaHBYdVNXtWEh8FtEG9nJrz0q3lbTMDZ8PODhrfDVScwaQEADEcKvqn1GRgnjr4nPPFUHlTzteF_YvX.H54M.XCHP3MJ3KP1_WNIQsskkm7gz1mEu.9YUx0Cau8TdWBbiS0WBJg1nEvPzkDffLpjgwKA
			.ietf.org/	1970-01-21 13:22:27	Name: __cf_bm Value: eCE_TXyUQFJVxauf7dyKbIB.aQnk2MLnrPMIrKoZ_LI-1776145536.6649995-1.0.1.1-PX6Gp3F0v87RiMaJ4jhHgSOuBEBUYWS.nDeOTUfmWIWm316IgadWprhfL5IWCgS7moRqb4rlUXGjNRiZ5QCE8PmMYkEvAtlwJkIdwPy1VO0s7hbzPY93FCmbfR8YHSDz

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	default-src 'self' 'unsafe-inline' data: https://datatracker.ietf.org/ https://www.ietf.org/ http://ietf.org/ https://analytics.ietf.org https://static.ietf.org; frame-ancestors 'self' ietf.org .ietf.org meetecho.com .meetecho.com
Strict-Transport-Security	max-age=3600; includeSubDomains
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN

Indicators

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

analytics.ietf.org
datatracker.ietf.org
static.ietf.org
tools.ietf.org
2606:4700::6810:2c63
2606:4700::6810:2d63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datatracker.ietf.org 2606:4700::6810:2c63 Public Scan Open in urlscan Pro

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

24 Requests

96 %HTTPS

100 %IPv6

1 Domains

4 Subdomains

2 IPs

1 Countries

774 kBTransfer

2477 kBSize

2 Cookies

100 Outgoing links

Page URL History

Redirected requests

24 HTTP transactions Everything HTML Script Fetch XHR CSS Image Font Expand all 1 data transactions

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

14 JavaScript Window variables

2 Cookies

Security Headers

Indicators

datatracker.ietf.org
2606:4700::6810:2c63 Public Scan Open in urlscan Pro

Screenshot
Live screenshot

Full Image

24
Requests

96 %
HTTPS

100 %
IPv6

1
Domains

4
Subdomains

2
IPs

1
Countries

774 kB
Transfer

2477 kB
Size

2
Cookies

24 HTTP transactions
1 data transactions