Search
MAT Charts
Circumvention Charts
Countries
OK
https://lookaside.facebook.com/robots.txt
Nicaragua
Country
AS19447
Network
April 24, 2025, 03:55 PM UTC
Date & Time
Websites
Websites
Web Connectivity Test 
Runtime: 965ms
Share on Facebook or Twitter
On April 24, 2025, 03:55 PM UTC, https://lookaside.facebook.com/robots.txt was accessible when tested on AS19447 in Nicaragua.

Failures

HTTP Experiment
null
DNS Experiment
null
Control
null

DNS Queries

Resolver:
172.70.253.179
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 blob: 'self' https://*.fbsbx.com *.facebook.com *.fbcdn.net;script-src *.facebook.com *.fbcdn.net *.facebook.net 127.0.0.1:* 'nonce-YBXo1095' blob: data: 'self' connect.facebook.net 'wasm-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;child-src data: blob: 'self' https://*.fbsbx.com *.facebook.com *.fbcdn.net;frame-src *.facebook.com *.fbsbx.com fbsbx.com data: www.instagram.com *.fbcdn.net accounts.meta.com 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;manifest-src data: blob: 'self' https://*.fbsbx.com *.facebook.com *.fbcdn.net;object-src data: blob: 'self' https://*.fbsbx.com *.facebook.com *.fbcdn.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:
Thu, 24 Apr 2025 15:55:48 GMT
Expires:
Sat, 01 Jan 2000 00:00:00 GMT
Nel:
{"report_to":"network-errors","max_age":3600,"failure_fraction":0.01}
Origin-Agent-Cluster:
?1
Pragma:
no-cache
Proxy-Status:
http_request_error; e_fb_responsebytes="AcMOGee57bRtBpoGZ0wSRuUP8j0LRBQfDGgk3rsbduc-XwWcyO68wYKN6yUuPw"; e_fb_requesttime="AcONXWZbDSX2JRMEqJP-bGAKkGanYmQQQKI8pOJaabwjp0_QE4EQyuFZCtQqGK_FLReg5dqUYQ"; e_proxy="AcMA2NmmA05SHZJoem4zsdnBNdME7E97Sv9GMcQd0foZZCkxKz-tPug3NG8suSWrj-A3L1BFg44xZoLUAiFH"; e_fb_twtaskhandle="AcNQCdokdow1y-Vhb4nUhqOY75MjW-wQweOuIQq8njq6whPlitgl39BRItJl1-ge_Nn51PkI4nA7vIaddFTKO1O8gqOc5n2179qMsY1FA8RvOkY"; e_fb_requestsequencenumber="AcO-YbVwP9Xr3J6zQ8lBd4S29f6DNNMjU8dwdRTI31xFlJRCxC7N3Ol7yMM"; e_upip="AcPRf7BXTwaLWdXpe8ucKqO7hTbCOR7vsg-afDeY9isRyVkhyLRdhQAkkwQaI159BEzfLxWOiS5vtzzqIDELkM_ndLSANM2fM8DOuQ"; e_fb_zone="AcMBYPGkRm_XK_Ims4_S5aaU2DczgRHBjQjWmGDLVpXnoi3np_Jy52WWdvsEIWUf"; e_fb_binaryversion="AcMi_B3hNpi4TAJSDPlvPssvUVdC_L6xcx1okdyuvdBBn3Emce-qnVbxAWLj07tbjdSEq9bv_KUYrSXii21pzXYoRLjc-YHrHz0"; e_fb_httpversion="AcOdtvRRcevp9v5Uf9HEqH_B-xSmU_PrKkXRujCi6J7cuIHvNpqFXltyqmzs"; e_fb_requesthandler="AcM9BCundoWJRdy52twEx-4uECZunHQ6ErM_cUIAk7SjwONbZl2toNmyQmE63QqwcRzDVzFe"; e_fb_configversion="AcNIudn7W9IykoQf0o3OINR3-AFxLl6GnliD1irBw8iK4jmp5NQNfAPExrIrZA"; e_fb_vipaddr="AcMBCfPmQr_1SQdc_SZ4Tm_fkf1qdJQxHf5yGiSpBsRkctXdH1xA9__9ByOaMvrF23p51IOxegzYG5IuqpPIpUtMfRyGPAQ9Kg"; e_fb_hostheader="AcPRuypYYQXU3DoqaXqZAN9_0qUIMQ6c_Bc7M7Xa1Lid8n5M9bMVsjGfdnKlucmr9xb2uRBzf_NgVQ"; e_fb_builduser="AcOB0XZx5KcPBto39S2bj0B_o_kKdTp9bnHYgAJnYludzwFfod572X9h8yRUW8Oi18o"; e_fb_vipport="AcNe6hcWTtEpyFEErJyzFsT3vxihydh0OSADrf_IF9wpqo-iS6iUC4yihpjr"; e_clientaddr="AcNbRAmQ0WZCJZoApk_b_bhZjd0KP5Tyap1EY3859-8bUASYBvg6JIm2gS9rSONGCD5fsqLkpRzugpfG1v2tRu0VBzoQDD6RTsuqlsA5OrviaWtKtw", http_request_error; e_fb_responsebytes="AcPV_9C1nDZ9tE-NEuZw9xXILlew_q60_H5y22MdbWKjJtcvY_XRIy60kcIOMw"; e_fb_requesttime="AcOiF5xLSwQ1_Gv3jZE2JcXB3s4pTRYuPXrYphk_iq3GlhTwltOxvsUkfWi8aaIhWTzTb1Xkbg"; e_proxy="AcMCPM4RInDpwS85b3cRVXOeKPoHeGOgQBEaqVFDBdI5r5ivRfgPlv9-QoQPNsI8-Fm4dBqrirveIAFu"; e_fb_twtaskhandle="AcMa7BDI3rja3luvV6X8Pjrrc8GdJ9yhLNntcZ5Ja2mMZnBukKqtOpNCF9KDPelMbk1-sy9uprnelCcITx69HLYyj6uvebChdUhU"; e_fb_requestsequencenumber="AcPUt_z2eyvw27GhHKicSXyw04e4Mq9dpGyMz3F-VYjE7skADD_T1s-R1g"; e_fb_zone="AcMyCf0G3RRwhkG5PJYs-B6H-0nveLhQCDWojba8nNvR1-ph8IwSU8rww0gdBA"; e_fb_binaryversion="AcMvZxYJhsQBknfdZ2YtUpJVK3DrzZTAjpZSvr1m9T5ZMzQPHJ9J7pplhKE7Oj-0Cok1lE0orq9_Ka2Be4Z8ubYRPSVDjkm1cqc"; e_fb_httpversion="AcPsvXu7oXDAo4jaQr8Ob0W5pX8fyxR-hdo1YqcJmbcbu__1ySyvolQa0mq9"; e_fb_requesthandler="AcMDh40sRFBnzM9I-eHmI2X_x4SLxujGeR8R9lOaWrpMQZ-Iw0nmpUSfFQAwgLu0yC5CwczsH6yxXoSz"; e_fb_hostheader="AcM16vqDxAl7KlmokgVJv6RClsDmau-NtIuUfUq3g2_6ipi0dsFaVRw5bJPdjt6S-vgpHzYcMEK1GA"; e_fb_builduser="AcNC2HexT6ss27tVGHUqkyZsLMqkuVZ9qcoquV7oFCzF0CLosXtpllD6zqLz-iQW3hw"; e_fb_vipport="AcPbThy1vlBvKt6qOqe5UfcGhQRnPvctBWeXFYLovG5c0eC9U7oeVOA18qMh"; e_clientaddr="AcMsXJqBcHr_wIm_cddMXkEyePCKCi9N3YSe22mAo3N-qd-bPP1togwFfEQSYa0838xpMk00kAAJ0QYL7-8"; e_fb_vipaddr="AcOmpQ8oKUpldlmH23_eVVnNdvwmS_9xbzP-njMo-wJEh39nlJ_OnGj2Z1Sz3z2lf-TGDOw"; e_fb_configversion="AcP5bLGC7LrhoLpK6mzs-NZQR3n5QwanPbHjKz3Lac-MQtXaspvv9KSnb6QGyQ"
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=7496909002355003353&cpp=C3&cv=1022195601&st=1745510148690"}]}, {"max_age":3600,"endpoints":[{"url":"https:\/\/www.facebook.com\/ajax\/browser_error_reports\/?device_level=unknown&brsid=7496909002355003353&cpp=C3&cv=1022195601&st=1745510148690"}],"group":"network-errors"}
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=7496909002355003353&cpp=C3&cv=1022195601&st=1745510148690"
Strict-Transport-Security:
max-age=15552000; preload
Vary:
Accept-Encoding
X-Content-Type-Options:
nosniff
X-Fb-Debug:
wyYP/Qdgy99LvEp3ZjiqpyYgLHU5XnyQRfwQ5G69/Zk122DEGH/FF7POkVdLWZ45xdnCueEmpwh1DgERrS6Tdw==
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="YBXo1095">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="YBXo1095">
              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
AS13335
Resolver IP
172.70.253.179
Resolver Network Name
Cloudflare Inc
Report ID
20250424T155438Z_webconnectivity_NI_19447_n1_o30MPXsdkJPtJpBp
Platform
android
Software Name
ooniprobe-android (5.0.6)
Measurement Engine
ooniprobe-engine (3.25.0)

Raw Measurement Data

Loading