{"kind":"host","input":"sophos.com","report":{"host":"sophos.com","checkedAt":"2026-10-31T04:24:56.143Z","a":{"status":"found","values":["23.212.250.7","23.212.250.18"],"ttl":20,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:1408:c400:11::17cd:6b4f","2600:1408:c400:11::17cd:6b4a"],"ttl":20,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.sophos.com","a":{"status":"found","values":["23.205.106.26","23.205.106.22"],"ttl":20,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:1408:c400:16::17d4:f81a","2600:1408:c400:16::17d4:f812"],"ttl":20,"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":"sophos.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:c400:11::17cd:6b4f","result":"answers","port":443},{"address":"2600:1408:c400:11::17cd:6b4a","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.sophos.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:c400:16::17d4:f81a","result":"answers","port":443},{"address":"2600:1408:c400:16::17d4:f812","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mx-02-eu-west-1.prod.hydra.sophos.com","ipv6":false},{"host":"mx-01-eu-west-1.prod.hydra.sophos.com","ipv6":false}]},{"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":"a9-65.akam.net","ipv6":true},{"host":"a14-67.akam.net","ipv6":true},{"host":"a10-65.akam.net","ipv6":true},{"host":"a18-64.akam.net","ipv6":true},{"host":"a1-100.akam.net","ipv6":true},{"host":"a11-66.akam.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 3 redirects: HTTP 200.","hops":[{"url":"https://sophos.com/","address":"2600:1408:c400:11::17cd:6b4f","status":301,"tls":"valid"},{"url":"https://www.sophos.com/","address":"2600:1408:c400:16::17d4:f81a","status":302,"tls":"valid"},{"url":"https://www.sophos.com/en-us///","address":"2600:1408:c400:16::17d4:f81a","status":308,"tls":"valid"},{"url":"https://www.sophos.com/en-us","address":"2600:1408:c400:16::17d4:f81a","status":200,"tls":"valid"}]},"receiptId":"PabMSjS5As"}