{"kind":"host","input":"espn.com","report":{"host":"espn.com","checkedAt":"2026-10-31T02:43:58.903Z","a":{"status":"found","values":["18.165.83.20","18.165.83.78","18.165.83.90","18.165.83.113"],"ttl":47,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:9000:24f4:2200:d:ac18:e2c0:93a1","2600:9000:24f4:2000:d:ac18:e2c0:93a1","2600:9000:24f4:fc00:d:ac18:e2c0:93a1","2600:9000:24f4:b800:d:ac18:e2c0:93a1","2600:9000:24f4:2400:d:ac18:e2c0:93a1","2600:9000:24f4:6200:d:ac18:e2c0:93a1","2600:9000:24f4:9000:d:ac18:e2c0:93a1","2600:9000:24f4:5c00:d:ac18:e2c0:93a1"],"ttl":60,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.espn.com","a":{"status":"found","values":["13.227.65.15","13.227.65.6","13.227.65.39","13.227.65.12"],"ttl":30,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:9000:2202:d400:e:fe33:5580:93a1","2600:9000:2202:e800:e:fe33:5580:93a1","2600:9000:2202:d000:e:fe33:5580:93a1","2600:9000:2202:b400:e:fe33:5580:93a1","2600:9000:2202:de00:e:fe33:5580:93a1","2600:9000:2202:f800:e:fe33:5580:93a1","2600:9000:2202:3600:e:fe33:5580:93a1","2600:9000:2202:bc00:e:fe33:5580:93a1"],"ttl":44,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"espn.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:24f4:2200:d:ac18:e2c0:93a1","result":"answers","port":443},{"address":"2600:9000:24f4:2000:d:ac18:e2c0:93a1","result":"answers","port":443},{"address":"2600:9000:24f4:fc00:d:ac18:e2c0:93a1","result":"answers","port":443},{"address":"2600:9000:24f4:b800:d:ac18:e2c0:93a1","result":"answers","port":443},{"address":"2600:9000:24f4:2400:d:ac18:e2c0:93a1","result":"not tested"},{"address":"2600:9000:24f4:6200:d:ac18:e2c0:93a1","result":"not tested"},{"address":"2600:9000:24f4:9000:d:ac18:e2c0:93a1","result":"not tested"},{"address":"2600:9000:24f4:5c00:d:ac18:e2c0:93a1","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.espn.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:2202:d400:e:fe33:5580:93a1","result":"answers","port":443},{"address":"2600:9000:2202:e800:e:fe33:5580:93a1","result":"answers","port":443},{"address":"2600:9000:2202:d000:e:fe33:5580:93a1","result":"answers","port":443},{"address":"2600:9000:2202:b400:e:fe33:5580:93a1","result":"answers","port":443},{"address":"2600:9000:2202:de00:e:fe33:5580:93a1","result":"not tested"},{"address":"2600:9000:2202:f800:e:fe33:5580:93a1","result":"not tested"},{"address":"2600:9000:2202:3600:e:fe33:5580:93a1","result":"not tested"},{"address":"2600:9000:2202:bc00:e:fe33:5580:93a1","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"espn-com.mail.protection.outlook.com","ipv6":false}]},{"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-1045.awsdns-02.org","ipv6":true},{"host":"ns-122.awsdns-15.com","ipv6":true},{"host":"ns-1936.awsdns-50.co.uk","ipv6":true},{"host":"ns-846.awsdns-41.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://espn.com/","address":"2600:9000:24f4:2200:d:ac18:e2c0:93a1","status":301,"tls":"valid"},{"url":"https://www.espn.com/","address":"2600:9000:2202:d400:e:fe33:5580:93a1","status":200,"tls":"valid"}]},"receiptId":"OJpdOPJIku"}