{"kind":"host","input":"signinnext.cfd","report":{"host":"signinnext.cfd","checkedAt":"2026-11-14T10:42:50.746Z","a":{"status":"found","values":["104.21.18.71","172.67.180.200"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::6815:1247","2606:4700:3032::ac43:b4c8"],"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":"signinnext.cfd has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::6815:1247","result":"answers","port":443},{"address":"2606:4700:3032::ac43:b4c8","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":"jack.ns.cloudflare.com","ipv6":true},{"host":"zainab.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"unknown","summary":"Answered over IPv6 with a server error (HTTP 520) — can't tell whether that's specific to IPv6.","hops":[{"url":"https://signinnext.cfd/","address":"2606:4700:3032::6815:1247","status":520,"tls":"valid"}]},"receiptId":"r08IrXao6s","reused":true,"measuredAt":"2026-11-14T10:42:51.068Z"}