{"kind":"host","input":"crystalwg.dev","report":{"host":"crystalwg.dev","checkedAt":"2026-11-02T13:23:24.286Z","a":{"status":"found","values":["104.21.95.203","172.67.148.97"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3030::6815:5fcb","2606:4700:3030::ac43:9461"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.crystalwg.dev","a":{"status":"found","values":["172.67.148.97","104.21.95.203"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3030::6815:5fcb","2606:4700:3030::ac43:9461"],"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":"crystalwg.dev has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3030::6815:5fcb","result":"answers","port":443},{"address":"2606:4700:3030::ac43:9461","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.crystalwg.dev has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3030::6815:5fcb","result":"answers","port":443},{"address":"2606:4700:3030::ac43:9461","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":"jerome.ns.cloudflare.com","ipv6":true},{"host":"serena.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://crystalwg.dev/","address":"2606:4700:3030::6815:5fcb","status":302,"tls":"valid"},{"url":"https://crystalwg.cloudflareaccess.com/cdn-cgi/access/login/crystalwg.dev?kid=3b31dfc01d91e0813420a42ae6ae754194c0435e8a37d22af2b4267312e35781&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjMwNmZiNjI2M2ZjZTY2ODk2NWU3OTI5YzVjNjM0NTA4ZDNlYzllNjE1N2NjOTA2NTBmYTBjZTE4Mzc2NDYzZjcifQ.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.wVp-jhODliXg9pvxDvD0GAD7shQxtoOl1tOMjILdbqPkuoDCf9At3CaJsFZTHsMK8bceVSB-SCHa2FpZJ9cLKHqrug6WzjPNNwXle-07d8m3xjTzl69FAxG1LL0ysN9uS7yhqpUSBvjwUcjY8g_wUd_VFyDUMnF7ha-QwDHZBAjx0J3bNcTwKBcRhbPKaAiLcee0-035pG_3Y_V5OEvOAGwPuhvgEz5NXkdOzJWLfnZexZjZ_L20c324Iuie2D7c9gfiJ2_IVJ0d_a-a4ySH38fSLrSq2bVAfNtwHe-N0WlmJdJz310VyCIbQAaGj8B5cb0X5Q_c1jFraRz0iBqxBg&redirect_url=%2F","address":"2606:4700:300a::6813:c31d","status":200,"tls":"valid"}]},"receiptId":"rk5kAv1DPU","reused":true,"measuredAt":"2026-11-02T13:23:24.861Z"}