{"kind":"host","input":"fbsbx.com","report":{"host":"fbsbx.com","checkedAt":"2026-10-31T22:20:50.740Z","a":{"status":"found","values":["57.144.74.1"],"ttl":59,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a03:2880:f381:1:face:b00c:0:25de"],"ttl":52,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.fbsbx.com","a":{"status":"found","values":["57.144.230.141"],"ttl":27,"via":"Cloudflare","cname":["star.c10r.facebook.com"]},"aaaa":{"status":"found","values":["2a03:2880:f373:8d:face:b00c:0:2"],"ttl":20,"via":"Cloudflare","cname":["star.c10r.facebook.com"]},"verdict":"dual-stack"}},"readiness":{"grade":"A","summary":"Website, mail and DNS all work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"fbsbx.com has an AAAA record and answers on it.","addresses":[{"address":"2a03:2880:f381:1:face:b00c:0:25de","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.fbsbx.com has an AAAA record and answers on it.","addresses":[{"address":"2a03:2880:f373:8d:face:b00c:0:2","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record."},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"b.ns.facebook.com","ipv6":true},{"host":"c.ns.facebook.com","ipv6":true},{"host":"a.ns.facebook.com","ipv6":true},{"host":"d.ns.facebook.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 404.","hops":[{"url":"https://fbsbx.com/","address":"2a03:2880:f381:1:face:b00c:0:25de","status":404,"tls":"valid"}]},"receiptId":"aS8m92M_52","reused":true,"measuredAt":"2026-10-31T22:20:50.779Z"}