{"kind":"host","input":"0x12.top","report":{"host":"0x12.top","checkedAt":"2026-11-03T20:46:16.141Z","a":{"status":"found","values":["104.21.2.99","172.67.129.16"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3036::ac43:8110","2606:4700:3034::6815:263"],"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":"0x12.top has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3036::ac43:8110","result":"answers","port":443},{"address":"2606:4700:3034::6815:263","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":"kaiser.ns.cloudflare.com","ipv6":true},{"host":"laura.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"Answered over IPv6 with a server error (HTTP 521) — can't tell whether that's specific to IPv6.","hops":[{"url":"https://0x12.top/","address":"2606:4700:3036::ac43:8110","status":521,"tls":"valid"}]},"receiptId":"S1cPEvn7yp","reused":true,"measuredAt":"2026-11-03T20:46:16.319Z"}