{"kind":"host","input":"ted.com","report":{"host":"ted.com","checkedAt":"2026-10-31T12:23:33.094Z","a":{"status":"found","values":["54.158.136.236","34.236.199.38"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.ted.com","a":{"status":"found","values":["151.101.2.132","151.101.66.132","151.101.130.132","151.101.194.132"],"ttl":60,"via":"Cloudflare","cname":["dualstack.j.sni.global.fastly.net"]},"aaaa":{"status":"found","values":["2a04:4e42::644","2a04:4e42:200::644","2a04:4e42:400::644","2a04:4e42:600::644"],"ttl":60,"via":"Cloudflare","cname":["dualstack.j.sni.global.fastly.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"ted.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.ted.com has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a04:4e42::644","result":"answers","port":443},{"address":"2a04:4e42:200::644","result":"answers","port":443},{"address":"2a04:4e42:400::644","result":"answers","port":443},{"address":"2a04:4e42:600::644","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true},{"host":"aspmx2.googlemail.com","ipv6":true},{"host":"aspmx3.googlemail.com","ipv6":true}]},{"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":"ns-1133.awsdns-13.org","ipv6":true},{"host":"ns-191.awsdns-23.com","ipv6":true},{"host":"ns-1975.awsdns-54.co.uk","ipv6":true},{"host":"ns-882.awsdns-46.net","ipv6":true}]}]},"receiptId":"ZJzMlHTCwl"}