{"domain":"systemdns.com","result":true,"measuredAt":"2026-11-02T05:31:54.562Z","receiptId":"uJAvNkDQwK","answer":{"kind":"host","input":"systemdns.com","report":{"host":"systemdns.com","checkedAt":"2026-11-02T05:31:54.507Z","a":{"status":"found","values":["216.40.33.15"],"ttl":1200,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"systemdns.com has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has no 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":"ns05.trs-dns.com","ipv6":true},{"host":"ns05.trs-dns.net","ipv6":true}]}]}},"states":[{"firstSeen":"2026-11-02T05:31:54.562Z","lastConfirmed":"2026-11-02T05:31:54.562Z","checks":1,"verdict":"ipv4-only","grade":"D","web":"fail","www":null,"mail":"fail","dns":"pass","secondLook":null}]}