{"kind":"host","input":"cloudflare.net","report":{"host":"cloudflare.net","checkedAt":"2026-10-30T23:35:36.339Z","a":{"status":"found","values":["104.17.156.85","104.16.208.90"],"ttl":187,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6810:d05a","2606:4700::6811:9c55"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.cloudflare.net","a":{"status":"found","values":["104.16.208.90","104.17.156.85"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6810:d05a","2606:4700::6811:9c55"],"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":"cloudflare.net has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6810:d05a","result":"answers","port":443},{"address":"2606:4700::6811:9c55","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.cloudflare.net has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6810:d05a","result":"answers","port":443},{"address":"2606:4700::6811:9c55","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":"mailstream-canary.mxrecord.io","ipv6":false},{"host":"mailstream-east.mxrecord.io","ipv6":false},{"host":"mailstream-west.mxrecord.io","ipv6":false},{"host":"mailstream-central.mxrecord.mx","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"5 of 5 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1.cloudflare.net","ipv6":true},{"host":"ns2.cloudflare.net","ipv6":true},{"host":"ns3.cloudflare.net","ipv6":true},{"host":"ns4.cloudflare.net","ipv6":true},{"host":"ns5.cloudflare.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://cloudflare.net/","address":"2606:4700::6810:d05a","status":403,"tls":"valid"}]},"receiptId":"Ywc4f4LtL-"}