{"kind":"host","input":"app.link","report":{"host":"app.link","checkedAt":"2026-11-01T12:15:42.064Z","a":{"status":"found","values":["3.171.38.47","3.171.38.40","3.171.38.89","3.171.38.74"],"ttl":42,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:9000:28a0:4e00:19:9934:6a80:93a1","2600:9000:28a0:3e00:19:9934:6a80:93a1","2600:9000:28a0:ca00:19:9934:6a80:93a1","2600:9000:28a0:a400:19:9934:6a80:93a1","2600:9000:28a0:5800:19:9934:6a80:93a1","2600:9000:28a0:dc00:19:9934:6a80:93a1","2600:9000:28a0:9400:19:9934:6a80:93a1","2600:9000:28a0:9000:19:9934:6a80:93a1"],"ttl":40,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.app.link","a":{"status":"found","values":["3.171.38.89","3.171.38.40","3.171.38.47","3.171.38.74"],"ttl":60,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:9000:28a0:4800:19:9934:6a80:93a1","2600:9000:28a0:e000:19:9934:6a80:93a1","2600:9000:28a0:7000:19:9934:6a80:93a1","2600:9000:28a0:c600:19:9934:6a80:93a1","2600:9000:28a0:3400:19:9934:6a80:93a1","2600:9000:28a0:ac00:19:9934:6a80:93a1","2600:9000:28a0:4200:19:9934:6a80:93a1","2600:9000:28a0:dc00:19:9934:6a80:93a1"],"ttl":60,"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":"app.link has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:28a0:4e00:19:9934:6a80:93a1","result":"answers","port":443},{"address":"2600:9000:28a0:3e00:19:9934:6a80:93a1","result":"answers","port":443},{"address":"2600:9000:28a0:ca00:19:9934:6a80:93a1","result":"answers","port":443},{"address":"2600:9000:28a0:a400:19:9934:6a80:93a1","result":"answers","port":443},{"address":"2600:9000:28a0:5800:19:9934:6a80:93a1","result":"not tested"},{"address":"2600:9000:28a0:dc00:19:9934:6a80:93a1","result":"not tested"},{"address":"2600:9000:28a0:9400:19:9934:6a80:93a1","result":"not tested"},{"address":"2600:9000:28a0:9000:19:9934:6a80:93a1","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.app.link has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:28a0:4800:19:9934:6a80:93a1","result":"answers","port":443},{"address":"2600:9000:28a0:e000:19:9934:6a80:93a1","result":"answers","port":443},{"address":"2600:9000:28a0:7000:19:9934:6a80:93a1","result":"answers","port":443},{"address":"2600:9000:28a0:c600:19:9934:6a80:93a1","result":"answers","port":443},{"address":"2600:9000:28a0:3400:19:9934:6a80:93a1","result":"not tested"},{"address":"2600:9000:28a0:ac00:19:9934:6a80:93a1","result":"not tested"},{"address":"2600:9000:28a0:4200:19:9934:6a80:93a1","result":"not tested"},{"address":"2600:9000:28a0:dc00:19:9934:6a80:93a1","result":"not tested"}]},{"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":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns-1521.awsdns-62.org","ipv6":true},{"host":"ns-1800.awsdns-33.co.uk","ipv6":true},{"host":"ns-249.awsdns-31.com","ipv6":true},{"host":"ns-615.awsdns-12.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 404.","hops":[{"url":"https://app.link/","address":"2600:9000:28a0:4e00:19:9934:6a80:93a1","status":404,"tls":"valid"}]},"receiptId":"V1-b79K7yp","reused":true,"measuredAt":"2026-11-01T12:15:42.217Z"}