{"kind":"host","input":"mail.nt.technology","report":{"host":"mail.nt.technology","checkedAt":"2026-11-07T03:59:26.747Z","a":{"status":"found","values":["77.88.21.37"],"ttl":300,"via":"Cloudflare","cname":["domain.mail.yandex.net","mail.yandex.ru"]},"aaaa":{"status":"found","values":["2a02:6b8::a4"],"ttl":300,"via":"Cloudflare","cname":["domain.mail.yandex.net","mail.yandex.ru"]},"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":"mail.nt.technology has an AAAA record and answers on it.","addresses":[{"address":"2a02:6b8::a4","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"mx.yandex.ru","ipv6":true}]},{"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":"ns26.domaincontrol.com","ipv6":true},{"host":"ns25.domaincontrol.com","ipv6":true}]}]},"https":{"status":"fail","problem":"certificate","summary":"The certificate served over IPv6 at 2a02:6b8::a4 isn't valid for mail.nt.technology: ERR_TLS_CERT_ALTNAME_INVALID.","hops":[{"url":"https://mail.nt.technology/","address":"2a02:6b8::a4","tls":"ERR_TLS_CERT_ALTNAME_INVALID"}]},"receiptId":"EdX_QDdls8","reused":true,"measuredAt":"2026-11-07T03:59:27.695Z"}