{"kind":"host","input":"smtp.nic.kz","report":{"host":"smtp.nic.kz","checkedAt":"2026-11-15T17:54:54.819Z","a":{"status":"found","values":["80.241.0.81"],"ttl":86400,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a01:7640::81"],"ttl":86400,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"},"readiness":{"grade":"F","summary":"Publishes IPv6 but doesn't answer on it — worse than having none.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"broken","detail":"smtp.nic.kz has an AAAA record, but nothing answered on ports 443 or 80. IPv6 visitors wait for a timeout before falling back to IPv4.","addresses":[{"address":"2a01:7640::81","result":"no answer"}]},{"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":"3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns.nic.kz","ipv6":true},{"host":"ns1.nic.kz","ipv6":true},{"host":"ns.relcom.kz","ipv6":true}]}]},"receiptId":"PbDDQFiQFy","reused":true,"measuredAt":"2026-11-15T17:54:55.415Z"}