{"kind":"host","input":"slackline.fun","report":{"host":"slackline.fun","checkedAt":"2026-11-02T10:35:12.648Z","a":{"status":"found","values":["172.67.180.96","104.21.18.44"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::ac43:b460","2606:4700:3034::6815:122c"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.slackline.fun","a":{"status":"found","values":["172.67.180.96","104.21.18.44"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3034::6815:122c","2606:4700:3032::ac43:b460"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"slackline.fun has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::ac43:b460","result":"answers","port":443},{"address":"2606:4700:3034::6815:122c","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.slackline.fun has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3034::6815:122c","result":"answers","port":443},{"address":"2606:4700:3032::ac43:b460","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mx1.hosting.reg.ru","ipv6":false},{"host":"mx2.hosting.reg.ru","ipv6":false}]},{"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":"saanvi.ns.cloudflare.com","ipv6":true},{"host":"walt.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://slackline.fun/","address":"2606:4700:3032::ac43:b460","status":200,"tls":"valid"}]},"receiptId":"G0h6z-Bq_V","reused":true,"measuredAt":"2026-11-02T10:35:13.363Z"}