{"kind":"host","input":"a.co","report":{"host":"a.co","checkedAt":"2026-11-01T05:36:21.932Z","a":{"status":"found","values":["98.87.170.8","98.87.170.202","44.215.138.88"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.a.co","a":{"status":"found","values":["15.197.139.26","3.33.131.74"],"ttl":900,"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":"a.co has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.a.co 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":"6 of 6 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"pdns1.ultradns.net","ipv6":true},{"host":"pdns2.ultradns.net","ipv6":true},{"host":"pdns3.ultradns.org","ipv6":true},{"host":"pdns4.ultradns.org","ipv6":true},{"host":"pdns5.ultradns.info","ipv6":true},{"host":"pdns6.ultradns.co.uk","ipv6":true}]}]},"receiptId":"uhZu-IPKTG","reused":true,"measuredAt":"2026-11-01T05:36:21.956Z"}