{"kind":"host","input":"subnetting.site","report":{"host":"subnetting.site","checkedAt":"2026-11-04T21:51:59.109Z","a":{"status":"found","values":["104.21.78.58","172.67.217.54"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3033::ac43:d936","2606:4700:3037::6815:4e3a"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.subnetting.site","a":{"status":"found","values":["172.67.217.54","104.21.78.58"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::6815:4e3a","2606:4700:3033::ac43:d936"],"ttl":300,"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":"subnetting.site has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3033::ac43:d936","result":"answers","port":443},{"address":"2606:4700:3037::6815:4e3a","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.subnetting.site has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::6815:4e3a","result":"answers","port":443},{"address":"2606:4700:3033::ac43:d936","result":"answers","port":443}]},{"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":"pass","detail":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"romina.ns.cloudflare.com","ipv6":true},{"host":"tom.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"Answered over IPv6 with a server error (HTTP 502) — can't tell whether that's specific to IPv6.","hops":[{"url":"https://subnetting.site/","address":"2606:4700:3033::ac43:d936","status":502,"tls":"valid"}]},"receiptId":"J2QThMUwv9","reused":true,"measuredAt":"2026-11-04T21:51:59.398Z"}