{"kind":"host","input":"hdhbuilding.com","report":{"host":"hdhbuilding.com","checkedAt":"2026-11-10T09:28:04.651Z","a":{"status":"found","values":["5.161.230.87","76.223.91.20","195.201.128.179","46.62.237.138","5.161.47.86","5.78.156.59"],"ttl":30,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a05:d018:1d22:800:6673:f7c3:558e:5d73","2a05:d014:179b:c403:bd92:efe7:3ba:1161","2a05:d014:179b:c400:a327:40ee:24cc:6180","2a05:d014:179b:c403:6ba5:73bc:907b:b1d4","2a05:d018:1d22:801:d2f9:a416:8dd7:17c8","2a05:d014:179b:c403:7d9b:ae2c:dbdd:cdd3","2406:da1e:214:c901:85f9:e397:190d:62b7","2600:1f1c:6db:8800:808:5412:ef2f:a702"],"ttl":30,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.hdhbuilding.com","a":{"status":"found","values":["5.161.230.87","195.201.128.179","76.223.91.20","5.78.156.59","46.62.237.138","5.161.47.86"],"ttl":30,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a05:d018:1d22:800:6673:f7c3:558e:5d73","2a05:d014:179b:c403:bd92:efe7:3ba:1161","2a05:d014:179b:c400:a327:40ee:24cc:6180","2a05:d014:179b:c403:6ba5:73bc:907b:b1d4","2a05:d018:1d22:801:d2f9:a416:8dd7:17c8","2a05:d014:179b:c403:7d9b:ae2c:dbdd:cdd3","2406:da1e:214:c901:85f9:e397:190d:62b7","2600:1f1c:6db:8800:808:5412:ef2f:a702"],"ttl":30,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its nameservers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"hdhbuilding.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2a05:d018:1d22:800:6673:f7c3:558e:5d73","result":"answers","port":443},{"address":"2a05:d014:179b:c403:bd92:efe7:3ba:1161","result":"answers","port":443},{"address":"2a05:d014:179b:c400:a327:40ee:24cc:6180","result":"answers","port":443},{"address":"2a05:d014:179b:c403:6ba5:73bc:907b:b1d4","result":"answers","port":443},{"address":"2a05:d018:1d22:801:d2f9:a416:8dd7:17c8","result":"not tested"},{"address":"2a05:d014:179b:c403:7d9b:ae2c:dbdd:cdd3","result":"not tested"},{"address":"2406:da1e:214:c901:85f9:e397:190d:62b7","result":"not tested"},{"address":"2600:1f1c:6db:8800:808:5412:ef2f:a702","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.hdhbuilding.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2a05:d018:1d22:800:6673:f7c3:558e:5d73","result":"answers","port":443},{"address":"2a05:d014:179b:c403:bd92:efe7:3ba:1161","result":"answers","port":443},{"address":"2a05:d014:179b:c400:a327:40ee:24cc:6180","result":"answers","port":443},{"address":"2a05:d014:179b:c403:6ba5:73bc:907b:b1d4","result":"answers","port":443},{"address":"2a05:d018:1d22:801:d2f9:a416:8dd7:17c8","result":"not tested"},{"address":"2a05:d014:179b:c403:7d9b:ae2c:dbdd:cdd3","result":"not tested"},{"address":"2406:da1e:214:c901:85f9:e397:190d:62b7","result":"not tested"},{"address":"2600:1f1c:6db:8800:808:5412:ef2f:a702","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record."},{"key":"dns","label":"Nameservers have IPv6","status":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"ns1.dns-redirect.com","ipv6":false},{"host":"ns2.dns-redirect.com","ipv6":false}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 403.","hops":[{"url":"https://hdhbuilding.com/","address":"2a05:d018:1d22:800:6673:f7c3:558e:5d73","status":301,"tls":"valid"},{"url":"https://expireddomains.com/domain/hdhbuilding.com?utm_source=redi","address":"2606:4700:20::681a:e7a","status":403,"tls":"valid"}]},"receiptId":"LgiCHF2iVD","reused":true,"measuredAt":"2026-11-10T09:28:05.066Z"}