errata.rfc-editor.org
104.18.21.81  Public Scan Open in urlscan Pro

Internal
urlscan.io (IP) urlscan.io (Domain)
Effective Hostname
VirusTotal SecurityTrails crt.sh
Submitted URL
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Effective URL Pivot
Google Safe Browsing Archive.org
Effective IP
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Submitted URL:
https://www.rfc-editor.org/errata.php#reportnew 9yr old
Effective URL:
https://errata.rfc-editor.org/search/ 1mo old
Submission: On June 10 via manual (June 10th 2026, 1:02:13 pm UTC) from CZ — Scanned from DE
Summary HTTP 6 Redirects Links 9  Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 3 IPs in 2 countries across 2 domains to perform 6 HTTP transactions. The main IP is 104.18.21.81, located in Ascension Island and belongs to CLOUDFLARENET - Cloudflare, Inc., US. The main domain is errata.rfc-editor.org. 1mo old
TLS certificate: Issued by WE1 on April 16th 2026. Valid for: 3mo.
This is the only time errata.rfc-editor.org was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 7 104.18.21.81 104.18.21.81 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
1 2606:4700::68... 2606:4700::6810:2d63 13335 (CLOUDFLAR...) (CLOUDFLARENET - Cloudflare)
6 3
Apex Domain
Subdomains		 Transfer
7 rfc-editor.org 2 redirects
www.rfc-editor.org — Cisco Umbrella Rank: 134736 9yr old
errata.rfc-editor.org 1mo old
60 KB
1 ietf.org
static.ietf.org — Cisco Umbrella Rank: 263531 3yr old
2 KB
6 2
Domain Requested by
6 errata.rfc-editor.org 1 redirects errata.rfc-editor.org
1 static.ietf.org errata.rfc-editor.org
1 www.rfc-editor.org 1 redirects
6 3
Subject Issuer Validity Valid
rfc-editor.org
WE1		 2026-04-16 -
2026-07-15		 3mo crt.sh
static.ietf.org
WE1		 2026-04-13 -
2026-07-12		 3mo crt.sh

This page contains 1 frames:

Primary Page: https://errata.rfc-editor.org/search/
Frame ID: 82681754CFDBE3D80D97BCC8FC6FAE91
Requests: 7 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

RFC Errata

Page URL History Show full URLs

  1. https://www.rfc-editor.org/errata.php HTTP 302
    https://errata.rfc-editor.org/ HTTP 301
    https://errata.rfc-editor.org/search/ Page URL

Detected technologies

(UI frameworks)
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]*?bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>-]*?(?:\.min)?\.css
  • bootstrap(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)[^>]*?(?:\.min)?\.js
(Security)
Overall confidence: 100%
Detected patterns

Page Statistics

6
Requests

100 %
HTTPS

50 %
IPv6

2
Domains

3
Subdomains

3
IPs

2
Countries

62 kB
Transfer

319 kB
Size

2
Cookies

Page URL History

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

  1. https://www.rfc-editor.org/errata.php HTTP 302
    https://errata.rfc-editor.org/ HTTP 301
    https://errata.rfc-editor.org/search/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

6 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 / Show response
errata.rfc-editor.org/search/
Redirect Chain
  • https://www.rfc-editor.org/errata.php
  • https://errata.rfc-editor.org/
  • https://errata.rfc-editor.org/search/
7 KB
2 KB 		129ms
129ms 		Document
text/html		 104.18.21.81
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://errata.rfc-editor.org/search/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.21.81 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
ca8ab637652ac7d4bc685292e170fb915ef126197a786cca19f44e36c0d6322e
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0
sec-ch-ua-platform
"Linux"

Response headers

alt-svc
h3=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray
a09891c2589e37d7-FRA
content-encoding
br
content-type
text/html; charset=utf-8
cross-origin-opener-policy
same-origin
date
Wed, 10 Jun 2026 13:02:15 GMT
priority
u=0,i
referrer-policy
same-origin
server
cloudflare
server-timing
cfExtPri
vary
Cookie
x-content-type-options
nosniff
x-frame-options
DENY

Redirect headers

alt-svc
h3=":443"; ma=86400
cf-cache-status
DYNAMIC
cf-ray
a09891c04ec537d7-FRA
content-type
text/html; charset=utf-8
cross-origin-opener-policy
same-origin
date
Wed, 10 Jun 2026 13:02:15 GMT
location
/search/
priority
u=0,i
referrer-policy
same-origin
server
cloudflare
server-timing
cfExtPri
x-content-type-options
nosniff
x-frame-options
DENY
GET
H3 		200
 bootstrap.min.css
errata.rfc-editor.org/static/css/ 		227 KB
33 KB 		145ms
145ms 		Stylesheet
text/css		 104.18.21.81
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://errata.rfc-editor.org/static/css/bootstrap.min.css
Requested by
Host: errata.rfc-editor.org
URL: https://errata.rfc-editor.org/search/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.21.81 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
d85327d99c7a3ee1f9b5d0500d1370acea3ad2db39c163c2f51f232baedbdede

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://errata.rfc-editor.org/search/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
public, max-age=14400
content-encoding
br
cf-cache-status
HIT
etag
W/"6a1870df-38aaf"
cf-ray
a09891c3294d37d7-FRA
expires
Wed, 10 Jun 2026 17:02:15 GMT
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Wed, 10 Jun 2026 13:02:15 GMT
content-type
text/css
last-modified
Thu, 28 May 2026 16:44:15 GMT
server
cloudflare
priority
u=0,i=?0
GET
H3 		200
 styles.css
errata.rfc-editor.org/static/css/ 		635 B
565 B 		139ms
138ms 		Stylesheet
text/css		 104.18.21.81
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://errata.rfc-editor.org/static/css/styles.css
Requested by
Host: errata.rfc-editor.org
URL: https://errata.rfc-editor.org/search/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.21.81 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
04bcfa58f588b44fa909a254c705e6bb24fe5e37f888394fe7c1802ada283ac2

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://errata.rfc-editor.org/search/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
public, max-age=14400
content-encoding
br
cf-cache-status
HIT
etag
W/"6a1870df-27b"
cf-ray
a09891c3294f37d7-FRA
expires
Wed, 10 Jun 2026 17:02:15 GMT
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Wed, 10 Jun 2026 13:02:15 GMT
content-type
text/css
last-modified
Thu, 28 May 2026 16:44:15 GMT
server
cloudflare
priority
u=0,i=?0
GET
H2 		200
 ietf-inverted.svg
static.ietf.org/logos/ 		6 KB
2 KB 		105ms
53ms 		Image
image/svg+xml		 2606:4700::6810:2d63
Cloudflare
General
Check archive.org
Download Go to Show image
Full URL
https://static.ietf.org/logos/ietf-inverted.svg
Requested by
Host: errata.rfc-editor.org
URL: https://errata.rfc-editor.org/search/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2606:4700::6810:2d63 -, , ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
71bd22a8e09abf5e1586883749ddddb9c3a9abebd381ee8ddd7d8a2d82caf693

Request headers

sec-ch-ua-platform
"Linux"
Referer
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "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/"646e46dfab29321bfdcef83cd0840217"
age
19644
cf-ray
a09891c37eb2d290-FRA
expires
Wed, 10 Jun 2026 14:02:15 GMT
access-control-allow-origin
*
alt-svc
h3=":443"; ma=86400
date
Wed, 10 Jun 2026 13:02:15 GMT
content-type
image/svg+xml
last-modified
Tue, 12 Sep 2023 21:02:41 GMT
server
cloudflare
GET
H3 		200
 bootstrap.bundle.min.js Show response
errata.rfc-editor.org/static/js/ 		79 KB
24 KB 		144ms
144ms 		Script
application/javascript		 104.18.21.81
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://errata.rfc-editor.org/static/js/bootstrap.bundle.min.js
Requested by
Host: errata.rfc-editor.org
URL: https://errata.rfc-editor.org/search/
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.21.81 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
e4fd49181388c48ec5040bd3fe66f57c29c8e67fcd8502b3354b96ec7ab47cc7

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://errata.rfc-editor.org/search/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
public, max-age=14400
content-encoding
br
cf-cache-status
HIT
etag
W/"6a1870df-13a70"
cf-ray
a09891c3295337d7-FRA
expires
Wed, 10 Jun 2026 17:02:15 GMT
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Wed, 10 Jun 2026 13:02:15 GMT
content-type
application/javascript
last-modified
Thu, 28 May 2026 16:44:15 GMT
server
cloudflare
priority
u=2,i=?0
GET
DATA 		200
OK 		truncated
/ 		121 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
841dfdaf8dd7af603f2d66021e9b911db1380a8500e0b73c983dd5d59558caf0

Request headers

User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
Referer

Response headers

Content-Type
image/svg+xml
GET
H3 		404
 favicon.ico
errata.rfc-editor.org/ 		179 B
356 B 		141ms
140ms 		Other
text/html		 104.18.21.81
Cloudflare
General
Check archive.org
Download Go to
Full URL
https://errata.rfc-editor.org/favicon.ico
Protocol
H3
Security
QUIC, , AES_128_GCM
Server
104.18.21.81 , Ascension Island, ASN13335 (CLOUDFLARENET - Cloudflare, Inc., US),
Reverse DNS
Software
cloudflare /
Resource Hash
5547992afdadb59737c5c0feb1a35dff294cd27145bf290c031737ecf8a2577d
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options DENY

Request headers

sec-ch-ua-platform
"Linux"
Referer
https://errata.rfc-editor.org/search/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/149.0.0.0 Safari/537.36
sec-ch-ua
"Chromium";v="149", "Google Chrome";v="149", "Not-A.Brand";v="24"
sec-ch-ua-mobile
?0

Response headers

cache-control
public, max-age=14400
cross-origin-opener-policy
same-origin
cf-cache-status
HIT
content-encoding
br
x-content-type-options
nosniff
referrer-policy
same-origin
cf-ray
a09891c45a4037d7-FRA
expires
Wed, 10 Jun 2026 17:02:15 GMT
alt-svc
h3=":443"; ma=86400
server-timing
cfExtPri
date
Wed, 10 Jun 2026 13:02:15 GMT
content-type
text/html; charset=utf-8
server
cloudflare
priority
u=1,i
x-frame-options
DENY

Verdicts & Comments Add Verdict or Comment

2 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.

number| uidEvent object| bootstrap

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
.rfc-editor.org/ 1970-01-21
14:44:58 		Name: __cf_bm
Value: 6bj2fJbCbdAZzAt_BdqbJ2T1Q97UCc0mmMkhiDaxGhs-1781096535.025228-1.0.1.1-20OfWsUsWZ7mtedgmm9z2Yhiykh9FDQkmD5mwHoo6O6.zLQvjbpTicuGbf6UVC_2CEkmPlvqxKZNoqWePoQ0hF7R0mE1E8g2HwlsyfB84VtIAzDD9VcEHgUaMHKWx7Cg
.ietf.org/ 1970-01-21
14:44:58 		Name: __cf_bm
Value: t1TKY2Dg6hBMCG2RPN8NhVFmvpwwiI5xd3yFM43HiYY-1781096535.6017418-1.0.1.1-fhqQiHijO97GVIanlPG580lgNBt12RoJnZ9EADd5ygiz.10p9T6UdupPlZ0d0YZngZEbbrcMO3APGQs3QOyvi53CM3oqopBDIdTZnp.lhcCJMz2keXeScJXhj5LNSOlG

1 Console Messages

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

Source Level URL
Text
network error URL: https://errata.rfc-editor.org/favicon.ico
Message:
Failed to load resource: the server responded with a status of 404 ()

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
X-Content-Type-Options nosniff
X-Frame-Options DENY