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Countries
OK
https://lookaside.facebook.com/robots.txt
Cayman Islands
Country
AS16437
Network
October 29, 2024, 11:26 PM UTC
Date & Time
Websites
Websites
Web Connectivity Test 
Runtime: 748ms
Share on Facebook or Twitter
On October 29, 2024, 11:26 PM UTC, https://lookaside.facebook.com/robots.txt was accessible when tested on AS16437 in Cayman Islands.

Failures

HTTP Experiment
null
DNS Experiment
null
Control
null

DNS Queries

Resolver:
172.217.36.88
Query:
IN A lookaside.facebook.com
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
A
31.13.67.20
Query:
IN AAAA lookaside.facebook.com
Engine:
system
Name
Class
TTL
Type
DATA
@
IN
AAAA
2a03:2880:f02c:13:face:b00c:0:3

TCP Connections

Connection to 2a03:2880:f02c:13:face:b00c:0:3:443 was blocked.
Connection to 31.13.67.20:443 succeeded.

HTTP Requests

URL
GET https://lookaside.facebook.com/robots.txt
Response Headers
Cache-Control:
private, no-cache, no-store, must-revalidate
Content-Length:
1542
Content-Security-Policy:
default-src data: blob: 'self' https://*.fbsbx.com 'unsafe-inline' *.facebook.com *.fbcdn.net 'unsafe-eval';script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* 'unsafe-inline' blob: data: 'self' connect.facebook.net 'unsafe-eval' https://*.google-analytics.com *.google.com;style-src *.fbcdn.net data: *.facebook.com 'unsafe-inline' https://fonts.googleapis.com;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' http://localhost:3103 wss://gateway.facebook.com wss://edge-chat.facebook.com wss://snaptu-d.facebook.com wss://kaios-d.facebook.com/ v.whatsapp.net *.fbsbx.com *.fb.com https://*.google-analytics.com;font-src data: *.facebook.com *.fbcdn.net *.fbsbx.com https://fonts.gstatic.com;img-src *.fbcdn.net *.facebook.com data: https://*.fbsbx.com facebook.com *.cdninstagram.com fbsbx.com fbcdn.net connect.facebook.net *.carriersignal.info blob: android-webview-video-poster: *.whatsapp.net *.fb.com *.oculuscdn.com *.tenor.co *.tenor.com *.giphy.com https://paywithmybank.com/ https://*.paywithmybank.com/ https://www.googleadservices.com https://googleads.g.doubleclick.net https://*.google-analytics.com;media-src *.cdninstagram.com blob: *.fbcdn.net *.fbsbx.com www.facebook.com *.facebook.com data: *.tenor.co *.tenor.com https://*.giphy.com;frame-src *.facebook.com *.fbsbx.com fbsbx.com data: www.instagram.com *.fbcdn.net https://paywithmybank.com/ https://*.paywithmybank.com/ https://www.googleadservices.com https://googleads.g.doubleclick.net https://www.google.com https://td.doubleclick.net *.google.com *.doubleclick.net;worker-src blob: *.facebook.com data:;block-all-mixed-content;upgrade-insecure-requests;
Content-Type:
text/html; charset="utf-8"
Cross-Origin-Opener-Policy:
same-origin-allow-popups
Date:
Tue, 29 Oct 2024 23:26:44 GMT
Expires:
Sat, 01 Jan 2000 00:00:00 GMT
Origin-Agent-Cluster:
?0
Pragma:
no-cache
Proxy-Status:
http_request_error; e_proxy="AcK07C-kIRs8dag0ImqFZiUi0dCyt93eHJh5Jy0VBs-DJJoj-j2SznVdc9g5qwBifdSGAJkgYQ5UAlAXU1I"; e_fb_binaryversion="AcIl2fB3cEyYzimjAkXwFMN_bTkZSLtEfhoDYStW1aRpKBsyr2HsIhjGwYIFZZlyao9K9hnK2FoFUBfiZPYjjkXaUxeSvVOjHug"; e_fb_httpversion="AcI9VmOe1TYxedq3TUrIeEeKojeDBVuQo1SR1xCV_q35nFHxeQztE0KiDA9I"; e_fb_responsebytes="AcJsbw19vDS-kXJ2v6O4OjPv8W7zEIftvos6KQh8SOerduAbPa05OLdfdxCaVA"; e_fb_requesttime="AcKb4YugNQOoC-JxDZwaCCm4wyBrFKoTN9WmlRAGw_-83J0e_1csuFH5nX3aLTtkAZnBF_j7sw"; e_fb_requesthandler="AcLDDKUMfn0Lca3BUVP6EbSDsyRBnUefTY8a5KH5lZGKVqnP8iQNRDbiMsrCb5wzHWhPZojJ"; e_fb_hostheader="AcJqt_cUxZumuct9RLQWNZkYKV7OFZ1S2uQZ_eqiM2LA0XGhbAb0oZX5HvPuYfLR7GoDUvVD0TQ7Sg"; e_fb_requestsequencenumber="AcIAtwWP8PPXsl5V3_d1UeKFXnP47OTYI8M1S8RU1BsXlBSQbok7oj-qmd0"; e_upip="AcKegS5ud21doNf9QZoSKo49yOS4aOuQKnzpmtZ7YjxxodxwZsI0JWHaGwFaghSBKrgAvzQexPR9pV79s3hrAZ6VIsh2xTonUhZ1EQ"; e_fb_builduser="AcKvVL6D_CA0CGCGtsNQZvhbQxM7JK4NNRNdWlMd5gTANmMHmqp9t3AahR_a6IWjz30"; e_fb_vipport="AcKAHtYOlSLM0mYojXdNyIbUWedRIWdDaOjmPLp7D1njcPDpM_Hg3hcYuHAg"; e_clientaddr="AcKudWQmcRITzqRXB63wpEqQO0Dg0nndGP4TtaA03AYZac8KBrtgMrWL_fXAdEW-LsafC7MqIRK-zrNuhySXLvKDSmXLiPYdLAeNxGrTO_Qv3nEh"; e_fb_vipaddr="AcLxHckLFqkcdS5iuNVjdril_itlu3icBrEJNMpAYJWo8N0N_v5adPAr1nguahvVc39i6cZ2epcA473rqmsBz2hEhCfSrFbwIQ"; e_fb_configversion="AcJbum5AYI168roeY4yM4l_jTlYiB42lWfWSbOwovLW9Bdon-NJdBYfLkfAgkg", http_request_error; e_fb_configversion="AcI_5d9VE0mVBQQlrSOeR62oBD-FzSmDn-AZa19GG49SsDP3g62pdeggYexSPA"; e_clientaddr="AcKfDeeeK_xot9W3MKP62UeXh5brWx45vaxX_7dxX-rWVnVHaJHQSQJmNrI_4yzlGg0Rhcbj5o2wHg7azJY7"; e_fb_vipport="AcIFdmQisjYOFOVtL5t_2ModQC_FFPOfC8CHH0xdbPEgbk1AWqGApvkgDdtP"; e_fb_requestsequencenumber="AcLZdh36paqC_oFXtNIcj0fWz4ZKJqgdTFXlpfUXq5ANDx4VLoJdspKJqA"; e_fb_responsebytes="AcLpDrLiRicYIYNNmnlwd6jeSHlIxaUWtK9rT-wTThZRa5_WuT4MMNrhovea6Q"; e_fb_hostheader="AcJT6I40MoNnRRqFzabYWorHgZcJ_gumAlkLrSORsBkAanwy8-5IAp3PmntWNt6qGN-kshS8qUVl7Q"; e_fb_vipaddr="AcIv7ewhrL48Z2AhnN4q5GPBOZriOkgYpXeTNHK3K-I5lKK3jkLSfB41ZEjP1o9Q30alGBw"; e_fb_requesthandler="AcJzSZgWtoxIpM-XFZF9gD5pcYfeK_Q2nDhd_-ZZBv9gKUkkulngpeJ0VKharvARUYh06YFGESOp-aOy"; e_fb_requesttime="AcID4H2TFGWpGcX3IAXTe4Pc_DQrhNKGmdmkgH0ZJs6fS2NgdGeZGsYEWmF9RMmEO6dTPlvhPA"; e_fb_builduser="AcJD1Pj9byl7g1usrBj8K9MbvDQRjyRRQZBG5Z_eaRup_PmM5EvCXF0BqZaksXIJ5-w"; e_fb_httpversion="AcKBJJEssyzbeKMqNKIkCRcH2QWmXnE7Wp8rBiO8Cb7D_gMaCqIOT9QfvbUS"; e_fb_binaryversion="AcJC-lfsObPrVER3mw6ZcPG_YIZwyCCtNQPB--VGSj5xq04QFLxR7Pdgx3GkhKsb5qYZqBnb5iM_3zBl8b05CvWJY2HntQTAs20"; e_proxy="AcLxrrjPYuooVUMe8XVg8Q4sxpPZ3xSWRTgJpVMhLWF6nPwD_43brFftsPpMr8xdsf4pEVrYOKXLsm1g"
Report-To:
{"max_age":2592000,"endpoints":[{"url":"https:\/\/www.facebook.com\/browser_reporting\/coop\/?minimize=0"}],"group":"coop_report","include_subdomains":true}, {"max_age":259200,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/?device_level=unknown&brsid=7431343129681948790"}]}
Reporting-Endpoints:
coop_report="https://www.facebook.com/browser_reporting/coop/?minimize=0", default="https://www.facebook.com/ajax/browser_error_reports/?device_level=unknown&brsid=7431343129681948790"
Strict-Transport-Security:
max-age=15552000; preload
Vary:
Accept-Encoding
X-Content-Type-Options:
nosniff
X-Fb-Debug:
njBbWOvQ3rwd7E91PLdISwOU9jzfshV15R9K2Xc5h+v31BUxVUZxDhtc4j66qNJlDJiNGExsiCMGU0qvu7ZbsQ==
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="WXAH562m">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; 2024 &#183; <a href="//www.facebook.com/help/?ref=href052">Help</a></div></div><script nonce="WXAH562m">
              document.getElementById("back").onclick = function() {
                if (history.length > 1) {
                  history.back();
                  return false;
                }
              };
            </script></body></html><!-- @codegen-command : phps GenerateErrorPages --><!-- @generated SignedSource<<f06de9d674e466d31c38de4e1e683a0e>> -->

Resolver

Resolver ASN
AS15169
Resolver IP
172.217.36.88
Resolver Network Name
Google LLC
Report ID
20241029T232530Z_webconnectivity_KY_16437_n1_3Pu7UMB8XkvvDlzx
Platform
android
Software Name
ooniprobe-android (4.0.0)
Measurement Engine
ooniprobe-engine (3.23.0)

Raw Measurement Data

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