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104.16.44.99 Public Scan

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Submitted URL:
http://tools.ietf.org/html/rfc6598
Effective URL:
https://datatracker.ietf.org/doc/html/rfc6598
Submission: On September 01 via api (September 1st 2023, 1:31:42 pm UTC) from JP — Scanned from JP

Summary HTTP 15 Redirects Links 7 Behaviour Indicators

Summary

This website contacted 3 IPs in 1 countries across 1 domains to perform 15 HTTP transactions. The main IP is 104.16.44.99, located in and belongs to CLOUDFLARENET, US. The main domain is datatracker.ietf.org. The Cisco Umbrella rank of the primary domain is 237531.
TLS certificate: Issued by E1 on August 11th 2023. Valid for: 3 months.

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 4	104.16.45.99 104.16.45.99	13335 (CLOUDFLAR...) (CLOUDFLARENET)
1 13	104.16.44.99 104.16.44.99	13335 (CLOUDFLAR...) (CLOUDFLARENET)
15	3

4 104.16.45.99 (None, ) 1 redirects

ASN13335 (CLOUDFLARENET, US)

tools.ietf.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
static.ietf.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
www.ietf.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

13 104.16.44.99 (None, ) 1 redirects

ASN13335 (CLOUDFLARENET, US)

datatracker.ietf.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
static.ietf.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
www.ietf.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
analytics.ietf.org	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
17	ietf.org 2 redirects tools.ietf.org — Cisco Umbrella Rank: 361171 datatracker.ietf.org — Cisco Umbrella Rank: 237531 static.ietf.org — Cisco Umbrella Rank: 288003 www.ietf.org — Cisco Umbrella Rank: 93355 analytics.ietf.org — Cisco Umbrella Rank: 347236	355 KB
15	1

	Domain	Requested by
6	www.ietf.org	datatracker.ietf.org www.ietf.org
4	static.ietf.org	datatracker.ietf.org static.ietf.org
4	datatracker.ietf.org	1 redirects datatracker.ietf.org
2	analytics.ietf.org	datatracker.ietf.org analytics.ietf.org
1	tools.ietf.org	1 redirects
15	5

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

Domain
www.rfc-editor.org
github.com
trustee.ietf.org

Subject Issuer	Validity	Valid
ietf.org E1	`2023-08-11` - `2023-11-09`	3 months	crt.sh
static.ietf.org Cloudflare Inc ECC CA-3	`2023-04-27` - `2024-04-25`	a year	crt.sh

This page contains 2 frames:

Primary Page: https://datatracker.ietf.org/doc/html/rfc6598
Frame ID: 43BEBC915A881D99642FA0F0C35DBDBB
Requests: 14 HTTP requests in this frame

Frame: https://datatracker.ietf.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/be88c2a1/main.js
Frame ID: 9FB47187A4341317AAA6F444AC8E9EF9
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

RFC 6598 - IANA-Reserved IPv4 Prefix for Shared Address Space

Page URL History Show full URLs

http://tools.ietf.org/html/rfc6598 HTTP 301
https://datatracker.ietf.org/doc/html/rfc6598 Page URL

Detected technologies

Bootstrap (Web Frameworks) Expand

Overall confidence: 100%
Detected patterns

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

Page Statistics

15
Requests

93 %
HTTPS

0 %
IPv6

1
Domains

5
Subdomains

3
IPs

1
Countries

354 kB
Transfer

943 kB
Size

1
Cookies

7 Outgoing links

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

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/rfc6598.txt
Title: txt

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/rfc6598.html
Title: html

Search URL Search Domain Scan URL

URL: https://www.rfc-editor.org/rfc/pdfrfc/rfc6598.txt.pdf
Title: pdf

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: http://www.rfc-editor.org/info/rfc6598
Title: http://www.rfc-editor.org/info/rfc6598

Search URL Search Domain Scan URL

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

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://tools.ietf.org/html/rfc6598 HTTP 301
https://datatracker.ietf.org/doc/html/rfc6598 Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 11

https://datatracker.ietf.org/cdn-cgi/challenge-platform/scripts/invisible.js HTTP 302
https://datatracker.ietf.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/be88c2a1/main.js

15 HTTP transactions
1 data transactions

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

GET
H2

200

Primary Request rfc6598 Show response
datatracker.ietf.org/doc/html/
Redirect Chain

http://tools.ietf.org/html/rfc6598
https://datatracker.ietf.org/doc/html/rfc6598

98 KB
14 KB

723ms
362ms

Document
text/html

104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://datatracker.ietf.org/doc/html/rfc6598

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

c621c1588f9021cb66de72c8482eaeb485e2fa6ebf374f820864ac27171e1a6b

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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36
accept-language: jp-jp,jp;q=0.9

Response headers

alt-svc: h3=":443"; ma=86400
cache-control: public, max-age=14400
cf-cache-status: REVALIDATED
cf-ray: 7ffddfe4bf3180de-NRT
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: Fri, 01 Sep 2023 13:31:37 GMT
expires: Fri, 01 Sep 2023 17:31:37 GMT
referrer-policy: strict-origin-when-cross-origin
server: cloudflare
strict-transport-security: max-age=3600; includeSubDomains
vary: Cookie, Accept-Encoding
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN

Redirect headers

CF-RAY: 7ffddfe21ad4e0a4-NRT
Cache-Control: max-age=3600
Connection: keep-alive
Date: Fri, 01 Sep 2023 13:31:36 GMT
Expires: Fri, 01 Sep 2023 14:31:36 GMT
Location: https://datatracker.ietf.org/doc/html/rfc6598
Server: cloudflare
Transfer-Encoding: chunked
Vary: Accept-Encoding
alt-svc: h3=":443"; ma=86400

GET
H2 200 import.css
static.ietf.org/fonts/inter/ 17 KB
789 B 58ms
47ms Stylesheet
text/css 104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://static.ietf.org/fonts/inter/import.css
Requested by: Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc6598
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 2c7ca5045d08246698e0d013365deb0503a2ef9edc7b93dc2639894611f93173

Request headers

accept-language: jp-jp,jp;q=0.9
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
content-encoding: br
cf-cache-status: HIT
last-modified: Tue, 18 Jul 2023 15:35:09 GMT
server: cloudflare
age: 49563
etag: W/"7b61f256640b0692a7f9fe4e680aac32"
vary: Accept-Encoding
content-type: text/css
access-control-allow-origin: *
cache-control: public, max-age=3600
cf-ray: 7ffddfe70a8f80de-NRT
alt-svc: h3=":443"; ma=86400
expires: Fri, 01 Sep 2023 14:31:37 GMT

GET
H2 200 import.css
static.ietf.org/fonts/noto-sans-mono/ 20 KB
778 B 58ms
47ms Stylesheet
text/css 104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

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/rfc6598
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: c64d8d328d884c4c61b9ebb98a4a2f9613e6de00c8d6f1d880380ba8627630a9

Request headers

accept-language: jp-jp,jp;q=0.9
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
content-encoding: br
cf-cache-status: HIT
last-modified: Tue, 18 Jul 2023 15:41:39 GMT
server: cloudflare
age: 49605
etag: W/"45c68dabf31645a5242a4febcc3fbb59"
vary: Accept-Encoding
content-type: text/css
access-control-allow-origin: *
cache-control: public, max-age=3600
cf-ray: 7ffddfe70a8e80de-NRT
alt-svc: h3=":443"; ma=86400
expires: Fri, 01 Sep 2023 14:31:37 GMT

GET
H2 200 document_html_referenced.css
www.ietf.org/lib/dt/11.10.0/ietf/css/ 284 KB
40 KB 41ms
35ms Stylesheet
text/css 104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.ietf.org/lib/dt/11.10.0/ietf/css/document_html_referenced.css

Requested by

Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc6598

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

bc9ead539deb92575b865d32ca5487c64561d53527c21fb0c21846c4a7bde24c

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
Strict-Transport-Security	max-age=31536000; preload
X-Content-Type-Options	nosniff
X-Frame-Options	ALLOW-FROM ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-jp,jp;q=0.9
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
strict-transport-security: max-age=31536000; preload
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
cf-cache-status: HIT
age: 70612
content-encoding: br
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
last-modified: Thu, 31 Aug 2023 17:43:46 GMT
server: cloudflare
etag: W/"47011-6043b95fced77-gzip"
vary: Accept-Encoding
x-frame-options: ALLOW-FROM ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
content-type: text/css
access-control-allow-origin: *
cache-control: public, max-age=2592000
cf-ray: 7ffddfe6fa7780de-NRT
access-control-allow-headers: *
expires: Sun, 01 Oct 2023 13:31:37 GMT

GET
H2 200 document_html.js Show response
www.ietf.org/lib/dt/11.10.0/ietf/js/ 251 KB
78 KB 49ms
43ms Script
application/javascript 104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.ietf.org/lib/dt/11.10.0/ietf/js/document_html.js

Requested by

Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc6598

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

66af5e000ed2b40683e33ce711c264f3a28b0e7226911389135b68dc0fa65e28

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
Strict-Transport-Security	max-age=31536000; preload
X-Content-Type-Options	nosniff
X-Frame-Options	ALLOW-FROM ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-jp,jp;q=0.9
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
strict-transport-security: max-age=31536000; preload
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
cf-cache-status: HIT
age: 70631
content-encoding: br
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
last-modified: Thu, 31 Aug 2023 17:43:46 GMT
server: cloudflare
etag: W/"3eb5f-6043b95fc2256-gzip"
vary: Accept-Encoding
x-frame-options: ALLOW-FROM ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
content-type: application/javascript
access-control-allow-origin: *
cache-control: public, max-age=2592000
cf-ray: 7ffddfe6fa7880de-NRT
access-control-allow-headers: *
expires: Sun, 01 Oct 2023 13:31:37 GMT

GET
H2 200 theme.js Show response
www.ietf.org/lib/dt/11.10.0/ietf/js/ 2 KB
1009 B 40ms
35ms Script
application/javascript 104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.ietf.org/lib/dt/11.10.0/ietf/js/theme.js

Requested by

Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc6598

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

faf5c993b3668f3fad0144bf9a35a775e4b0e549aacbbeb03a08d8e591f8929c

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
Strict-Transport-Security	max-age=31536000; preload
X-Content-Type-Options	nosniff
X-Frame-Options	ALLOW-FROM ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-jp,jp;q=0.9
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
strict-transport-security: max-age=31536000; preload
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
cf-cache-status: HIT
age: 70612
content-encoding: br
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
last-modified: Thu, 31 Aug 2023 17:43:46 GMT
server: cloudflare
etag: W/"613-6043b95fc8017-gzip"
vary: Accept-Encoding
x-frame-options: ALLOW-FROM ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
content-type: application/javascript
access-control-allow-origin: *
cache-control: public, max-age=2592000
cf-ray: 7ffddfe6fa7a80de-NRT
access-control-allow-headers: *
expires: Sun, 01 Oct 2023 13:31:37 GMT

GET
H2 200 ietf-logo-nor-white.svg
www.ietf.org/lib/dt/11.10.0/ietf/images/ 6 KB
3 KB 31ms
31ms Image
image/svg+xml 104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.ietf.org/lib/dt/11.10.0/ietf/images/ietf-logo-nor-white.svg

Requested by

Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc6598

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

35fa36e3d14d04f348028956a89b547aeecf99b9dd4c0685e8ffdc39b97b02dd

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
Strict-Transport-Security	max-age=31536000; preload
X-Content-Type-Options	nosniff
X-Frame-Options	ALLOW-FROM ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-jp,jp;q=0.9
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
strict-transport-security: max-age=31536000; preload
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
cf-cache-status: HIT
age: 70612
content-security-policy-report-only: script-src 'none'; report-uri https://csp-reporting.cloudflare.com/cdn-cgi/script_monitor/report?m=tvBJEtHEm3qc2T2bVMcetmd5669v3MIoN92YKmX7y8A-1693575097-0-AdyCl7JC52GaKGOHNw72BExxzreOGSkhh7-Gsl1G5NCmFo_wI4DQkiM6oZY9QDgKTRIB6QE55AWCb5cfhvpLH0S6H1MQeyzpi7vdAmrLEOJdG83r_m9-6YRGuMvMOWwCg4IKYsHrdCTvV2XKfnwNfVU_dp9f1a5-M5FQUsW-rGyLUDollkDB9qjYwb5AyYxX-w; report-to cf-csp-endpoint
content-encoding: br
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
last-modified: Thu, 31 Aug 2023 17:43:46 GMT
server: cloudflare
etag: W/"17f3-6043b95fcddd7-gzip"
vary: Accept-Encoding
x-frame-options: ALLOW-FROM ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
content-type: image/svg+xml
access-control-allow-origin: *
report-to: {"endpoints":[{"url":"https:\/\/csp-reporting.cloudflare.com\/cdn-cgi\/script_monitor\/report?m=tvBJEtHEm3qc2T2bVMcetmd5669v3MIoN92YKmX7y8A-1693575097-0-AdyCl7JC52GaKGOHNw72BExxzreOGSkhh7-Gsl1G5NCmFo_wI4DQkiM6oZY9QDgKTRIB6QE55AWCb5cfhvpLH0S6H1MQeyzpi7vdAmrLEOJdG83r_m9-6YRGuMvMOWwCg4IKYsHrdCTvV2XKfnwNfVU_dp9f1a5-M5FQUsW-rGyLUDollkDB9qjYwb5AyYxX-w"}],"group":"cf-csp-endpoint","max_age":86400}
cache-control: public, max-age=2592000
cf-ray: 7ffddfe75b2d80de-NRT
access-control-allow-headers: *
expires: Sun, 01 Oct 2023 13:31:37 GMT

GET
H2 200 ietf-logo-nor.svg
www.ietf.org/lib/dt/11.10.0/ietf/images/ 6 KB
3 KB 29ms
29ms Image
image/svg+xml 104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://www.ietf.org/lib/dt/11.10.0/ietf/images/ietf-logo-nor.svg

Requested by

Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc6598

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

de41055f3d3e82e5b05d572acac5eac3a29d58922ecf978cb660019b7091669c

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
Strict-Transport-Security	max-age=31536000; preload
X-Content-Type-Options	nosniff
X-Frame-Options	ALLOW-FROM ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
X-Xss-Protection	1; mode=block

Request headers

accept-language: jp-jp,jp;q=0.9
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
strict-transport-security: max-age=31536000; preload
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
cf-cache-status: HIT
age: 70612
content-encoding: br
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
last-modified: Thu, 31 Aug 2023 17:43:46 GMT
server: cloudflare
etag: W/"1802-6043b95fcce37-gzip"
vary: Accept-Encoding
x-frame-options: ALLOW-FROM ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
content-type: image/svg+xml
access-control-allow-origin: *
cache-control: public, max-age=2592000
cf-ray: 7ffddfe75b2e80de-NRT
access-control-allow-headers: *
expires: Sun, 01 Oct 2023 13:31:37 GMT

GET
H2 200 matomo.js Show response
analytics.ietf.org/ 64 KB
22 KB 46ms
31ms Script
application/javascript 104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://analytics.ietf.org/matomo.js
Requested by: Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc6598
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: d7fc375178c93a2fc15fd888e30170eedf4ef3d04497e7f951ab7bfe0c921693

Request headers

accept-language: jp-jp,jp;q=0.9
Referer: https://datatracker.ietf.org/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
content-encoding: br
cf-cache-status: HIT
last-modified: Thu, 29 Jun 2023 13:53:27 GMT
server: cloudflare
age: 21172
etag: W/"649d8cd7-10132"
vary: Accept-Encoding
content-type: application/javascript
cache-control: public, max-age=86400
cf-ray: 7ffddfe79b8280de-NRT
alt-svc: h3=":443"; ma=86400
expires: Sat, 02 Sep 2023 13:31:37 GMT

GET
H2 200 noto-sans-mono-latin.woff2
static.ietf.org/fonts/noto-sans-mono/ 32 KB
32 KB 396ms
36ms Font
font/woff2 104.16.45.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://static.ietf.org/fonts/noto-sans-mono/noto-sans-mono-latin.woff2
Requested by: Host: static.ietf.org
URL: https://static.ietf.org/fonts/noto-sans-mono/import.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.16.45.99 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 4223382c2fb8043edd3718a9268e93e90b9e38f6077807bfdc7c2c63eab8e559

Request headers

Referer: https://static.ietf.org/fonts/noto-sans-mono/import.css
Origin: https://datatracker.ietf.org
accept-language: jp-jp,jp;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
cf-cache-status: HIT
last-modified: Mon, 15 May 2023 20:04:05 GMT
server: cloudflare
age: 37106
etag: "92a9bc59413e3795344505e811024bc8"
vary: Origin, Accept-Encoding
content-type: font/woff2
access-control-allow-origin: *
cache-control: public, max-age=3600
accept-ranges: bytes
cf-ray: 7ffddfe9db5daff4-NRT
alt-svc: h3=":443"; ma=86400
content-length: 32548
expires: Fri, 01 Sep 2023 14:31:37 GMT

GET
H2 200 bootstrap-icons.27cea7eb.woff2
www.ietf.org/lib/dt/11.10.0/ietf/ 118 KB
119 KB 402ms
37ms Font
text/plain 104.16.45.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://www.ietf.org/lib/dt/11.10.0/ietf/bootstrap-icons.27cea7eb.woff2

Requested by

Host: www.ietf.org
URL: https://www.ietf.org/lib/dt/11.10.0/ietf/css/document_html_referenced.css

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

104.16.45.99 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

f85fdb2062a10942da28a646f832dbb09b39923a67d7d13a0f3a4ae48423477a

Security Headers

Name	Value
Content-Security-Policy	frame-ancestors 'self' ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
Strict-Transport-Security	max-age=31536000; preload
X-Content-Type-Options	nosniff
X-Frame-Options	ALLOW-FROM ietf.org .ietf.org meetecho.com .meetecho.com gather.town *.gather.town
X-Xss-Protection	1; mode=block

Request headers

Referer: https://www.ietf.org/lib/dt/11.10.0/ietf/css/document_html_referenced.css
Origin: https://datatracker.ietf.org
accept-language: jp-jp,jp;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
strict-transport-security: max-age=31536000; preload
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
cf-cache-status: HIT
age: 70190
alt-svc: h3=":443"; ma=86400
x-xss-protection: 1; mode=block
last-modified: Thu, 31 Aug 2023 17:43:46 GMT
server: cloudflare
etag: W/"1d9fc-6043b95fc2256-gzip"
vary: Accept-Encoding
x-frame-options: ALLOW-FROM ietf.org *.ietf.org meetecho.com *.meetecho.com gather.town *.gather.town
access-control-allow-origin: *
cache-control: public, max-age=2592000
cf-ray: 7ffddfe9eda3f6f6-NRT
access-control-allow-headers: *
expires: Sun, 01 Oct 2023 13:31:37 GMT

GET
H2 200 inter-latin.woff2
static.ietf.org/fonts/inter/ 37 KB
37 KB 390ms
32ms Font
font/woff2 104.16.45.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://static.ietf.org/fonts/inter/inter-latin.woff2
Requested by: Host: static.ietf.org
URL: https://static.ietf.org/fonts/inter/import.css
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.16.45.99 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: 450f3ba4e47ee174bd9692b396f264b907d37d2528f53911760f3d0edb785f7e

Request headers

Referer: https://static.ietf.org/fonts/inter/import.css
Origin: https://datatracker.ietf.org
accept-language: jp-jp,jp;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
cf-cache-status: HIT
last-modified: Mon, 15 May 2023 20:04:04 GMT
server: cloudflare
age: 39955
etag: "e08be6d5d433944f7ad52902e4d24db5"
vary: Origin, Accept-Encoding
content-type: font/woff2
access-control-allow-origin: *
cache-control: public, max-age=3600
accept-ranges: bytes
cf-ray: 7ffddfe9db5eaff4-NRT
alt-svc: h3=":443"; ma=86400
content-length: 37924
expires: Fri, 01 Sep 2023 14:31:37 GMT

GET
H2

200

main.js Show response
datatracker.ietf.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/be88c2a1/ Frame 9FB4
Redirect Chain

https://datatracker.ietf.org/cdn-cgi/challenge-platform/scripts/invisible.js
https://datatracker.ietf.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/be88c2a1/main.js

7 KB
3 KB

65ms
65ms

Script
application/javascript

104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL

https://datatracker.ietf.org/cdn-cgi/challenge-platform/h/b/scripts/jsd/be88c2a1/main.js

Requested by

Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/doc/html/rfc6598

Protocol

Server

104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),

Reverse DNS

Software

cloudflare /

Resource Hash

97f3bc600437cbe29429e2b3dff271f8cf7d0288c438a08f6b0c160fcd63bd6f

Security Headers

Name	Value
X-Content-Type-Options	nosniff

Request headers

accept-language: jp-jp,jp;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
content-encoding: br
x-content-type-options: nosniff
server: cloudflare
vary: accept-encoding
content-type: application/javascript; charset=UTF-8
cache-control: max-age=14400, public
cf-ray: 7ffddfe84cbe80de-NRT
alt-svc: h3=":443"; ma=86400

Redirect headers

date: Fri, 01 Sep 2023 13:31:37 GMT
server: cloudflare
vary: accept-encoding
location: /cdn-cgi/challenge-platform/h/b/scripts/jsd/be88c2a1/main.js
access-control-allow-origin: *
cache-control: max-age=300, public
cf-ray: 7ffddfe7cbee80de-NRT
alt-svc: h3=":443"; ma=86400

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

General

Check archive.org

Show headers Download Go to Show image

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

Request headers

accept-language: jp-jp,jp;q=0.9
Referer
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36

Response headers

Content-Type: image/svg+xml

POST
H2 204 matomo.php
analytics.ietf.org/ 0
113 B 534ms
533ms Ping
text/plain 104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://analytics.ietf.org/matomo.php?action_name=RFC%206598%20-%20IANA-Reserved%20IPv4%20Prefix%20for%20Shared%20Address%20Space&idsite=7&rec=1&r=882972&h=22&m=31&s=37&url=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fhtml%2Frfc6598&_id=&_idn=1&send_image=0&_refts=0&cookie=1&res=1600x1200&pv_id=Vp7NFW&pf_net=361&pf_srv=362&pf_tfr=7&pf_dm1=121&uadata=%7B%22fullVersionList%22%3A%5B%5D%2C%22mobile%22%3Afalse%2C%22model%22%3A%22%22%2C%22platform%22%3A%22%22%2C%22platformVersion%22%3A%22%22%7D
Requested by: Host: analytics.ietf.org
URL: https://analytics.ietf.org/matomo.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer: https://datatracker.ietf.org/
accept-language: jp-jp,jp;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36
Content-Type: application/x-www-form-urlencoded; charset=utf-8

Response headers

access-control-allow-origin: https://datatracker.ietf.org
date: Fri, 01 Sep 2023 13:31:38 GMT
access-control-allow-credentials: true
cf-cache-status: DYNAMIC
server: cloudflare
cf-ray: 7ffddfe80c5380de-NRT
alt-svc: h3=":443"; ma=86400

POST
H2 200 7ffddfe4bf3180de Show response
datatracker.ietf.org/cdn-cgi/challenge-platform/h/b/jsd/r/ Frame 9FB4 0
231 B 51ms
51ms XHR
text/plain 104.16.44.99
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to

Full URL: https://datatracker.ietf.org/cdn-cgi/challenge-platform/h/b/jsd/r/7ffddfe4bf3180de
Requested by: Host: datatracker.ietf.org
URL: https://datatracker.ietf.org/cdn-cgi/challenge-platform/scripts/invisible.js
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 104.16.44.99 -, , ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

Referer
accept-language: jp-jp,jp;q=0.9
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.5845.140 Safari/537.36
Content-Type: application/json

Response headers

date: Fri, 01 Sep 2023 13:31:37 GMT
content-encoding: br
server: cloudflare
cf-ray: 7ffddfe93e2c80de-NRT
alt-svc: h3=":443"; ma=86400
content-type: text/plain; charset=UTF-8

Verdicts & Comments Add Verdict or Comment

11 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.

1 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/	1970-01-20 23:11:51	Name: cf_clearance Value: p6ZPVQTRzJA9VdhO5X0gosfY93uhKWBKfKE7MM8t0pA-1693575097-0-1-36dce218.e75a54de.61ddbdf8-0.1.1693575097

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
www.ietf.org
104.16.44.99
104.16.45.99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datatracker.ietf.org Open in urlscan Pro 104.16.44.99 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

15 Requests

93 %HTTPS

0 %IPv6

1 Domains

5 Subdomains

3 IPs

1 Countries

354 kBTransfer

943 kBSize

1 Cookies

7 Outgoing links

Page URL History

Redirected requests

15 HTTP transactions Everything HTML Script AJAX CSS Image 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

Redirect headers

Request headers

Response headers

Request headers

Response headers

Request headers

Response headers

Verdicts & Comments Add Verdict or Comment

11 JavaScript Global Variables

1 Cookies

Security Headers

Indicators

datatracker.ietf.org Open in urlscan Pro
104.16.44.99 Public Scan

Screenshot
Live screenshot

Full Image

15
Requests

93 %
HTTPS

0 %
IPv6

1
Domains

5
Subdomains

3
IPs

1
Countries

354 kB
Transfer

943 kB
Size

1
Cookies

15 HTTP transactions
1 data transactions