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OK
https://fbcdn.net/robots.txt
Ukraine
Country
AS35213
Network
August 02, 2025, 07:58 PM UTC
Date & Time
Websites
Websites
Web Connectivity Test 
Runtime: 4.1s
Share on Facebook or Twitter
On August 02, 2025, 07:58 PM UTC, https://fbcdn.net/robots.txt was accessible when tested on AS35213 in Ukraine.

Failures

HTTP Experiment
null
DNS Experiment
null
Control
null

DNS Queries

Resolver:
172.217.34.22
Query:
IN A fbcdn.net
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
A
157.240.224.35
Query:
IN AAAA fbcdn.net
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
AAAA
2a03:2880:f165:81:face:b00c:0:25de

TCP Connections

Connection to 157.240.224.35:443 succeeded.
Connection to 2a03:2880:f165:81:face:b00c:0:25de:443 was blocked.

HTTP Requests

URL
GET https://fbcdn.net/robots.txt
Response Headers
Alt-Svc:
h3=":443"; ma=86400
Cache-Control:
private, no-cache, no-store, must-revalidate
Content-Security-Policy:
default-src blob: 'self';script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* blob: 'self' 'nonce-s9lGguFs' https://*.google-analytics.com *.google.com;style-src 'unsafe-inline';connect-src *.facebook.com facebook.com *.fbcdn.net *.facebook.net wss://*.facebook.com:* wss://*.whatsapp.com:* wss://*.fbcdn.net attachment.fbsbx.com ws://localhost:* blob: *.cdninstagram.com 'self' https://*.google-analytics.com;font-src data: blob: 'self';img-src data: blob: 'self' https://*.google-analytics.com;media-src data: blob: 'self';child-src data: blob: 'self';frame-src data: blob: 'self';manifest-src data: blob: 'self';object-src data: blob: 'self';worker-src data: blob: 'self';block-all-mixed-content;upgrade-insecure-requests;require-trusted-types-for 'script';
Content-Type:
text/html; charset="utf-8"
Cross-Origin-Embedder-Policy-Report-Only:
require-corp;report-to="coep_report"
Cross-Origin-Opener-Policy:
same-origin-allow-popups
Date:
Sat, 02 Aug 2025 19:58:19 GMT
Document-Policy:
include-js-call-stacks-in-crash-reports
Expires:
Sat, 01 Jan 2000 00:00:00 GMT
Origin-Agent-Cluster:
?1
Pragma:
no-cache
Proxy-Status:
http_request_error; e_fb_vipaddr="AcO7jjuQ00L7P-xQC7XPpGpnsZ1i1YugJHH5kIePsNZvKJHF6I34L36V2of-K4hsTsbgaVuJPfnQchtHuTYLghSivkxOikzYkw"; e_clientaddr="AcPd9jhRpaOeJFiEUoQvyt2hDm11K_u94Awbb5OuQ6G3uM-uv7x_MOwywioozAVsuZP1TUuY8nb4cp6a_TRaUkhIswunBBe-tnRLJh1szfH1iX4gDA"; e_upip="AcOEKaqyLuIyBq32izSWPxsRqshEuS0j4FLdUF1w-mJ1omudtESDDAa5Uk6XkREt-7sGngmw95b6oIi4vgW-Jw8rDiO3ApldJX5vpK8"; e_fb_zone="AcPYtdCrwJMnHRdWTLMVTZszGja15_cerSn9-WXUTquMaDs41Bk8L6KtaX0pF8BT"; e_fb_twtaskhandle="AcPQtg31Ve_XnzvEz620ubHqOqkelIT5Yttq3OylpBmbHwMFLQuMuNnwc4TNZWKY5HqczK5IeouEYSOj0l1QnxvjgdzcbAyZPkbTB8I2SBSDiQ"; e_proxy="AcPr0QdyQtJKaxVGjaV6CEXpYiIlcg9mPtxAo198hafFoPI1cWKdtMiysA5TK2LYyRNc1KlvWRPscKpyj9c", http_request_error; e_fb_vipaddr="AcPXSXN3K-s3FNb2im4xQVEuQCF_3YpEzY2BOf5NAo3jR6h7EgDKzUbt9i6YI-zRFVShd0iCHdU"; e_clientaddr="AcNtoS4a8Z6brbXxLxm_u-LWUGu-vC3mW97yTwregsHx-otfPs3u4xsyDUzGOFZYDVU_bdLmX2A0Qr2J"; e_upip="AcMfBxngkqR0K-Zw951DdPtiBwKWIhfuwoXX45zcew2TR-GqKqlM38yL5bAV4Tdz0M4VUZolZhJIOOxdDxEyMSjzm-x0NueeaA"; e_fb_zone="AcNZGxMXGYvnh5nHIDRxPtjLS_DlUzXlcSUCbj1_0odksYJRROIJSiOmh-b0IQ"; e_fb_twtaskhandle="AcMCh8h2VL0oa_ionj44WttDKKgmaPaxNoh4IVJlEyXX9g3goEQQCXYsXxhsCsyomJM8zgZjI6OstUhjN9PPiaeteQ4gxgJ9u2Q"; e_proxy="AcOGzlOlgM6r92zpHMQON7d2PX2nep8SdyKg7xOh3rJ2IuPheNsZ2hNrGA7DGkDv7tYXYvmCEO-c0aI"
Report-To:
{"max_age":2592000,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coop\/?minimize=0"}],"group":"coop_report","include_subdomains":true}, {"max_age":86400,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coep\/?minimize=0"}],"group":"coep_report"}
Reporting-Endpoints:
coop_report="https://www.facebook.com/browser_reporting/coop/?minimize=0", coep_report="https://www.facebook.com/browser_reporting/coep/?minimize=0"
Strict-Transport-Security:
max-age=31536000; preload; includeSubDomains
Vary:
Accept-Encoding
X-Content-Type-Options:
nosniff
X-Fb-Connection-Quality:
EXCELLENT; q=0.9, rtt=8, rtx=0, c=10, mss=1380, tbw=3631, tp=-1, tpl=-1, uplat=80, ullat=0
X-Fb-Debug:
lbMR3t/EKdxJ2KylaoW20GegZ9oxqnH0DHrXmVKXbycU/rvLeyC8PF+ENfzspARzjYZbkMC239G7mx/QOkyLxQ==
X-Frame-Options:
DENY
X-Xss-Protection:
0
Response Body
<!DOCTYPE html><html lang="en" id="facebook"><head><title>Error</title><meta charset="utf-8" /><meta http-equiv="Cache-Control" content="no-cache" /><meta name="robots" content="noindex,nofollow" /><style nonce="s9lGguFs">html, body { color: #333; font-family: 'Lucida Grande', 'Tahoma', 'Verdana', 'Arial', sans-serif; margin: 0; padding: 0; text-align: center;}
#header { height: 30px; padding-bottom: 10px; padding-top: 10px; text-align: center;}
#icon { width: 30px;}
.core { margin: auto; padding: 1em 0; text-align: left; width: 904px;}
h1 { font-size: 18px;}
p { font-size: 13px;}
.footer { border-top: 1px solid #ddd; color: #777; float: left; font-size: 11px; padding: 5px 8px 6px 0; width: 904px;}</style></head><body><div id="header"><a href="//www.facebook.com/"><img id="icon" src="//static.facebook.com/images/logos/facebook_2x.png" /></a></div><div class="core"><h1>Sorry, something went wrong.</h1><p>We&#039;re working on getting this fixed as soon as we can.</p><p><a id="back" href="//www.facebook.com/">Go back</a></p><div class="footer"> Meta &#169; 2025 &#183; <a href="//www.facebook.com/help/?ref=href052">Help</a></div></div><script nonce="s9lGguFs">
              document.getElementById("back").onclick = function() {
                if (history.length > 1) {
                  history.back();
                  return false;
                }
              };
            </script></body></html><!-- @codegen-command : phps GenerateErrorPages --><!-- @generated SignedSource<<a2e14b6d3c6a99777af41324d62f78e6>> -->

Resolver

Resolver ASN
AS15169
Resolver IP
172.217.34.22
Resolver Network Name
Google LLC
Report ID
20250802T195655Z_webconnectivity_UA_35213_n1_u6t9IZfbUUeia9Et
Platform
linux
Software Name
ooniprobe-cli-unattended (3.23.0)
Measurement Engine
ooniprobe-engine (3.23.0)

Raw Measurement Data

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