{"kind":"host","input":"521fuli.com","report":{"host":"521fuli.com","checkedAt":"2026-11-04T20:06:04.053Z","a":{"status":"found","values":["104.21.96.40","172.67.172.70"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::6815:6028","2606:4700:3030::ac43:ac46"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.521fuli.com","a":{"status":"found","values":["172.67.172.70","104.21.96.40"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::6815:6028","2606:4700:3030::ac43:ac46"],"ttl":300,"via":"Cloudflare","cname":[]},"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":"521fuli.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::6815:6028","result":"answers","port":443},{"address":"2606:4700:3030::ac43:ac46","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.521fuli.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::6815:6028","result":"answers","port":443},{"address":"2606:4700:3030::ac43:ac46","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":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"bowen.ns.cloudflare.com","ipv6":true},{"host":"emma.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://521fuli.com/","address":"2606:4700:3037::6815:6028","status":403,"tls":"valid"}]},"receiptId":"-FpKzLJ5D5","reused":true,"measuredAt":"2026-11-04T20:06:04.292Z"}