{"kind":"host","input":"firefox.com","report":{"host":"firefox.com","checkedAt":"2026-10-31T07:52:18.311Z","a":{"status":"found","values":["35.190.14.201"],"ttl":593,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:1901:0:c197::"],"ttl":800,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.firefox.com","a":{"status":"found","values":["151.101.131.19","151.101.195.19","151.101.67.19","151.101.3.19"],"ttl":251,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a04:4e42:200::787","2a04:4e42:400::787","2a04:4e42::787","2a04:4e42:600::787"],"ttl":1969,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"A","summary":"Website, mail and DNS all work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"firefox.com has an AAAA record and answers on it.","addresses":[{"address":"2600:1901:0:c197::","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.firefox.com has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a04:4e42:200::787","result":"answers","port":443},{"address":"2a04:4e42:400::787","result":"answers","port":443},{"address":"2a04:4e42::787","result":"answers","port":443},{"address":"2a04:4e42:600::787","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"smtp.google.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"1 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1-240.akam.net","ipv6":true},{"host":"ns5-65.akam.net","ipv6":false},{"host":"ns7-66.akam.net","ipv6":false},{"host":"ns4-64.akam.net","ipv6":false}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://firefox.com/","address":"2600:1901:0:c197::","status":301,"tls":"valid"},{"url":"https://www.firefox.com/","address":"2a04:4e42:200::787","status":200,"tls":"valid"}]},"receiptId":"BMp_ATLjEz"}