{"kind":"host","input":"51yantai.com","report":{"host":"51yantai.com","checkedAt":"2026-11-03T00:09:18.082Z","a":{"status":"found","values":["104.21.44.97","172.67.198.133"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::ac43:c685","2606:4700:3037::6815:2c61"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.51yantai.com","a":{"status":"found","values":["172.67.198.133","104.21.44.97"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::ac43:c685","2606:4700:3037::6815:2c61"],"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":"51yantai.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::ac43:c685","result":"answers","port":443},{"address":"2606:4700:3037::6815:2c61","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.51yantai.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::ac43:c685","result":"answers","port":443},{"address":"2606:4700:3037::6815:2c61","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":"ben.ns.cloudflare.com","ipv6":true},{"host":"indie.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://51yantai.com/","address":"2606:4700:3037::ac43:c685","status":403,"tls":"valid"}]},"receiptId":"n-9FC_gY5W","reused":true,"measuredAt":"2026-11-03T00:09:18.138Z"}