{"kind":"host","input":"mzstatic.com","report":{"host":"mzstatic.com","checkedAt":"2026-10-31T06:12:56.547Z","a":{"status":"found","values":["17.253.142.4","17.253.144.11"],"ttl":234,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2620:149:af0::11"],"ttl":199,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.mzstatic.com","a":{"status":"found","values":["17.253.142.4","17.253.144.11"],"ttl":1205,"via":"Cloudflare","cname":["mzstatic.com"]},"aaaa":{"status":"found","values":["2620:149:af0::11"],"ttl":900,"via":"Cloudflare","cname":["mzstatic.com"]},"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":"mzstatic.com has an AAAA record and answers on it.","addresses":[{"address":"2620:149:af0::11","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.mzstatic.com has an AAAA record and answers on it.","addresses":[{"address":"2620:149:af0::11","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":"mail.mzstatic.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":"a.ns.apple.com","ipv6":true},{"host":"b.ns.apple.com","ipv6":true},{"host":"c.ns.apple.com","ipv6":true},{"host":"d.ns.apple.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://mzstatic.com/","address":"2620:149:af0::11","status":301,"tls":"valid"},{"url":"https://www.apple.com/","address":"2600:1408:c400:384::1aca","status":200,"tls":"valid"}]},"receiptId":"hpofzvRxU1"}