{"kind":"host","input":"go.com","report":{"host":"go.com","checkedAt":"2026-10-31T07:51:56.294Z","a":{"status":"found","values":["76.223.18.1","13.248.150.189"],"ttl":3302,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.go.com","a":{"status":"found","values":["18.160.46.62","18.160.46.65","18.160.46.13","18.160.46.87"],"ttl":60,"via":"Cloudflare","cname":["www-cdn.matterhorn.app"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["www-cdn.matterhorn.app"]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"go.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.go.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":"6 of 6 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1.twdcns.com","ipv6":true},{"host":"ns3.twdcns.info","ipv6":true},{"host":"ns5.twdcns.co.uk","ipv6":true},{"host":"ns4.twdcns.info","ipv6":true},{"host":"ns2.twdcns.com","ipv6":true},{"host":"ns6.twdcns.co.uk","ipv6":true}]}]},"receiptId":"M8snGKgrkr"}