{"domain":"zthvacservices.com","result":true,"measuredAt":"2026-11-04T20:29:08.955Z","receiptId":"zlIjGDFfXL","answer":{"kind":"host","input":"zthvacservices.com","report":{"host":"zthvacservices.com","checkedAt":"2026-11-04T20:29:08.902Z","a":{"status":"found","values":["3.162.103.17","3.162.103.82","3.162.103.125","3.162.103.12"],"ttl":7,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:9000:26c1:b200:e:52a7:6b00:93a1","2600:9000:26c1:6c00:e:52a7:6b00:93a1","2600:9000:26c1:ea00:e:52a7:6b00:93a1","2600:9000:26c1:8200:e:52a7:6b00:93a1","2600:9000:26c1:c200:e:52a7:6b00:93a1","2600:9000:26c1:3a00:e:52a7:6b00:93a1","2600:9000:26c1:ce00:e:52a7:6b00:93a1","2600:9000:26c1:9400:e:52a7:6b00:93a1"],"ttl":58,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.zthvacservices.com","a":{"status":"found","values":["3.162.103.17","3.162.103.125","3.162.103.82","3.162.103.12"],"ttl":42,"via":"Cloudflare","cname":["blaxel.app"]},"aaaa":{"status":"found","values":["2600:9000:26c1:d800:e:52a7:6b00:93a1","2600:9000:26c1:1a00:e:52a7:6b00:93a1","2600:9000:26c1:4000:e:52a7:6b00:93a1","2600:9000:26c1:f200:e:52a7:6b00:93a1","2600:9000:26c1:8a00:e:52a7:6b00:93a1","2600:9000:26c1:ae00:e:52a7:6b00:93a1","2600:9000:26c1:e000:e:52a7:6b00:93a1","2600:9000:26c1:9400:e:52a7:6b00:93a1"],"ttl":60,"via":"Cloudflare","cname":["blaxel.app"]},"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":"zthvacservices.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:26c1:b200:e:52a7:6b00:93a1","result":"answers","port":443},{"address":"2600:9000:26c1:6c00:e:52a7:6b00:93a1","result":"answers","port":443},{"address":"2600:9000:26c1:ea00:e:52a7:6b00:93a1","result":"answers","port":443},{"address":"2600:9000:26c1:8200:e:52a7:6b00:93a1","result":"answers","port":443},{"address":"2600:9000:26c1:c200:e:52a7:6b00:93a1","result":"not tested"},{"address":"2600:9000:26c1:3a00:e:52a7:6b00:93a1","result":"not tested"},{"address":"2600:9000:26c1:ce00:e:52a7:6b00:93a1","result":"not tested"},{"address":"2600:9000:26c1:9400:e:52a7:6b00:93a1","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.zthvacservices.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:26c1:d800:e:52a7:6b00:93a1","result":"answers","port":443},{"address":"2600:9000:26c1:1a00:e:52a7:6b00:93a1","result":"answers","port":443},{"address":"2600:9000:26c1:4000:e:52a7:6b00:93a1","result":"answers","port":443},{"address":"2600:9000:26c1:f200:e:52a7:6b00:93a1","result":"answers","port":443},{"address":"2600:9000:26c1:8a00:e:52a7:6b00:93a1","result":"not tested"},{"address":"2600:9000:26c1:ae00:e:52a7:6b00:93a1","result":"not tested"},{"address":"2600:9000:26c1:e000:e:52a7:6b00:93a1","result":"not tested"},{"address":"2600:9000:26c1:9400:e:52a7:6b00:93a1","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":"inbound-smtp.us-east-1.amazonaws.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":"ns1kpv.name.com","ipv6":true},{"host":"ns2kqz.name.com","ipv6":true},{"host":"ns3jkl.name.com","ipv6":true},{"host":"ns4kmw.name.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://zthvacservices.com/","address":"2600:9000:26c1:b200:e:52a7:6b00:93a1","status":200,"tls":"valid"}]}},"states":[{"firstSeen":"2026-11-04T20:29:04.007Z","lastConfirmed":"2026-11-04T20:29:08.955Z","checks":2,"verdict":"dual-stack","grade":"B","web":"pass","www":"pass","mail":"fail","dns":"pass","secondLook":null}]}