{"kind":"host","input":"sprinthost.ru","report":{"host":"sprinthost.ru","checkedAt":"2026-11-01T12:16:14.810Z","a":{"status":"found","values":["141.8.197.25","141.8.197.99","141.8.197.26","141.8.197.6"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a0a:2b47:4f:36e2::"],"ttl":121,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.sprinthost.ru","a":{"status":"found","values":["141.8.197.6"],"ttl":7200,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"}},"readiness":{"grade":"C","summary":"Works over IPv6, with gaps: www doesn't fully work over IPv6; its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"sprinthost.ru has an AAAA record and answers on it.","addresses":[{"address":"2a0a:2b47:4f:36e2::","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.sprinthost.ru has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mx.sprinthost.ru","ipv6":false}]},{"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":"ns3.sprinthost.net","ipv6":true},{"host":"ns1.sprinthost.ru","ipv6":true},{"host":"ns4.sprinthost.net","ipv6":true},{"host":"ns2.sprinthost.ru","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://sprinthost.ru/","address":"2a0a:2b47:4f:36e2::","status":200,"tls":"valid"}]},"receiptId":"5JACrf6rhs","reused":true,"measuredAt":"2026-11-01T12:16:15.667Z"}