{"kind":"host","input":"trezoruserguide.com","report":{"host":"trezoruserguide.com","checkedAt":"2026-11-06T22:42:46.055Z","a":{"status":"found","values":["172.67.221.63","104.21.24.250"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::6815:18fa","2606:4700:3031::ac43:dd3f"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.trezoruserguide.com","a":{"status":"found","values":["104.21.24.250","172.67.221.63"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::6815:18fa","2606:4700:3031::ac43:dd3f"],"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":"trezoruserguide.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::6815:18fa","result":"answers","port":443},{"address":"2606:4700:3031::ac43:dd3f","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.trezoruserguide.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::6815:18fa","result":"answers","port":443},{"address":"2606:4700:3031::ac43:dd3f","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":"fiona.ns.cloudflare.com","ipv6":true},{"host":"nicolas.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"Answered over IPv6 with a server error (HTTP 503) — can't tell whether that's specific to IPv6.","hops":[{"url":"https://trezoruserguide.com/","address":"2606:4700:3037::6815:18fa","status":503,"tls":"valid"}]},"receiptId":"1c6hRidi5C","reused":true,"measuredAt":"2026-11-06T22:42:46.399Z"}