{"kind":"host","input":"speedtest.net","report":{"host":"speedtest.net","checkedAt":"2026-10-31T04:44:10.731Z","a":{"status":"found","values":["151.101.194.219","151.101.2.219","151.101.130.219","151.101.66.219"],"ttl":2109,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a04:4e42::731","2a04:4e42:400::731","2a04:4e42:600::731","2a04:4e42:200::731"],"ttl":5175,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.speedtest.net","a":{"status":"found","values":["104.17.147.22","104.17.148.22"],"ttl":160,"via":"Cloudflare","cname":["www.speedtest.net.cdn.cloudflare.net"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["www.speedtest.net.cdn.cloudflare.net"]},"verdict":"ipv4-only"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: www doesn't fully work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"speedtest.net has 4 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a04:4e42::731","result":"answers","port":443},{"address":"2a04:4e42:400::731","result":"answers","port":443},{"address":"2a04:4e42:600::731","result":"answers","port":443},{"address":"2a04:4e42:200::731","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.speedtest.net has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"aspmx.l.google.com","ipv6":true},{"host":"aspmx2.googlemail.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns-1071.awsdns-05.org","ipv6":true},{"host":"ns-1643.awsdns-13.co.uk","ipv6":true},{"host":"ns-372.awsdns-46.com","ipv6":true},{"host":"ns-787.awsdns-34.net","ipv6":true}]}]},"https":{"status":"fail","problem":"redirect-no-ipv6","summary":"Redirects to www.speedtest.net, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.","hops":[{"url":"https://speedtest.net/","address":"2a04:4e42::731","status":301,"tls":"valid"},{"url":"https://www.speedtest.net/","note":"redirects to www.speedtest.net, which has no IPv6 address"}]},"receiptId":"o6yQNGlCin"}