{"kind":"host","input":"sipisell.dev","report":{"host":"sipisell.dev","checkedAt":"2026-11-15T03:55:50.500Z","a":{"status":"found","values":["172.67.183.249","104.21.96.152"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3035::6815:6098","2606:4700:3031::ac43:b7f9"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.sipisell.dev","a":{"status":"found","values":["172.67.183.249","104.21.96.152"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3035::6815:6098","2606:4700:3031::ac43:b7f9"],"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":"sipisell.dev has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3035::6815:6098","result":"answers","port":443},{"address":"2606:4700:3031::ac43:b7f9","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.sipisell.dev has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3035::6815:6098","result":"answers","port":443},{"address":"2606:4700:3031::ac43:b7f9","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":"mailserver.purelymail.com","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":"coco.ns.cloudflare.com","ipv6":true},{"host":"ignacio.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"fail","problem":"redirect-no-ipv6","summary":"Redirects to purelymail.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.","hops":[{"url":"https://sipisell.dev/","address":"2606:4700:3035::6815:6098","status":301,"tls":"valid"},{"url":"https://purelymail.com/user/login","note":"redirects to purelymail.com, which has no IPv6 address"}]},"receiptId":"k-7AkQD4P-","reused":true,"measuredAt":"2026-11-15T03:55:50.628Z"}