{"kind":"host","input":"adsrvr.org","report":{"host":"adsrvr.org","checkedAt":"2026-10-31T16:13:13.812Z","a":{"status":"found","values":["3.170.42.56","3.170.42.50","3.170.42.3","3.170.42.67"],"ttl":44,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:9000:2870:5800:12:e08a:be80:93a1","2600:9000:2870:fa00:12:e08a:be80:93a1","2600:9000:2870:a000:12:e08a:be80:93a1","2600:9000:2870:4e00:12:e08a:be80:93a1","2600:9000:2870:1e00:12:e08a:be80:93a1","2600:9000:2870:8c00:12:e08a:be80:93a1","2600:9000:2870:e000:12:e08a:be80:93a1","2600:9000:2870:2000:12:e08a:be80:93a1"],"ttl":60,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.adsrvr.org","a":{"status":"found","values":["3.170.42.67","3.170.42.50","3.170.42.56","3.170.42.3"],"ttl":60,"via":"Cloudflare","cname":["d2bd48osy0szju.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:2870:c400:12:e08a:be80:93a1","2600:9000:2870:da00:12:e08a:be80:93a1","2600:9000:2870:c600:12:e08a:be80:93a1","2600:9000:2870:b000:12:e08a:be80:93a1","2600:9000:2870:6c00:12:e08a:be80:93a1","2600:9000:2870:9c00:12:e08a:be80:93a1","2600:9000:2870:ae00:12:e08a:be80:93a1","2600:9000:2870:b400:12:e08a:be80:93a1"],"ttl":60,"via":"Cloudflare","cname":["d2bd48osy0szju.cloudfront.net"]},"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":"adsrvr.org has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:2870:5800:12:e08a:be80:93a1","result":"answers","port":443},{"address":"2600:9000:2870:fa00:12:e08a:be80:93a1","result":"answers","port":443},{"address":"2600:9000:2870:a000:12:e08a:be80:93a1","result":"answers","port":443},{"address":"2600:9000:2870:4e00:12:e08a:be80:93a1","result":"answers","port":443},{"address":"2600:9000:2870:1e00:12:e08a:be80:93a1","result":"not tested"},{"address":"2600:9000:2870:8c00:12:e08a:be80:93a1","result":"not tested"},{"address":"2600:9000:2870:e000:12:e08a:be80:93a1","result":"not tested"},{"address":"2600:9000:2870:2000:12:e08a:be80:93a1","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.adsrvr.org has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:2870:c400:12:e08a:be80:93a1","result":"answers","port":443},{"address":"2600:9000:2870:da00:12:e08a:be80:93a1","result":"answers","port":443},{"address":"2600:9000:2870:c600:12:e08a:be80:93a1","result":"answers","port":443},{"address":"2600:9000:2870:b000:12:e08a:be80:93a1","result":"answers","port":443},{"address":"2600:9000:2870:6c00:12:e08a:be80:93a1","result":"not tested"},{"address":"2600:9000:2870:9c00:12:e08a:be80:93a1","result":"not tested"},{"address":"2600:9000:2870:ae00:12:e08a:be80:93a1","result":"not tested"},{"address":"2600:9000:2870:b400:12:e08a:be80:93a1","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"smtp.secureserver.net","ipv6":false},{"host":"mailstore1.secureserver.net","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 8 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"dns1.p08.nsone.net","ipv6":true},{"host":"dns2.p08.nsone.net","ipv6":true},{"host":"dns3.p08.nsone.net","ipv6":true},{"host":"dns4.p08.nsone.net","ipv6":true},{"host":"ns01.ttddnnss.com","ipv6":false},{"host":"ns02.ttddnnss.com","ipv6":false},{"host":"ns03.ttddnnss.com","ipv6":false},{"host":"ns04.ttddnnss.com","ipv6":false}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://adsrvr.org/","address":"2600:9000:2870:5800:12:e08a:be80:93a1","status":200,"tls":"valid"}]},"receiptId":"O7eq2q9xVH"}