{"kind":"host","input":"cdn.ncsu.edu","report":{"host":"cdn.ncsu.edu","checkedAt":"2026-11-03T03:58:38.289Z","a":{"status":"found","values":["3.167.88.21","3.167.88.108","3.167.88.128","3.167.88.111"],"ttl":60,"via":"Cloudflare","cname":["d39wfocfwbwv01.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:27cb:7a00:e:65af:fc40:93a1","2600:9000:27cb:3e00:e:65af:fc40:93a1","2600:9000:27cb:d200:e:65af:fc40:93a1","2600:9000:27cb:6800:e:65af:fc40:93a1","2600:9000:27cb:a200:e:65af:fc40:93a1","2600:9000:27cb:b800:e:65af:fc40:93a1","2600:9000:27cb:5c00:e:65af:fc40:93a1","2600:9000:27cb:b200:e:65af:fc40:93a1"],"ttl":60,"via":"Cloudflare","cname":["d39wfocfwbwv01.cloudfront.net"]},"verdict":"dual-stack"},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its nameservers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"cdn.ncsu.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:27cb:7a00:e:65af:fc40:93a1","result":"answers","port":443},{"address":"2600:9000:27cb:3e00:e:65af:fc40:93a1","result":"answers","port":443},{"address":"2600:9000:27cb:d200:e:65af:fc40:93a1","result":"answers","port":443},{"address":"2600:9000:27cb:6800:e:65af:fc40:93a1","result":"answers","port":443},{"address":"2600:9000:27cb:a200:e:65af:fc40:93a1","result":"not tested"},{"address":"2600:9000:27cb:b800:e:65af:fc40:93a1","result":"not tested"},{"address":"2600:9000:27cb:5c00:e:65af:fc40:93a1","result":"not tested"},{"address":"2600:9000:27cb:b200:e:65af:fc40:93a1","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":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"ed31.ddi.ncsu.edu","ipv6":false},{"host":"ed21.ddi.ncsu.edu","ipv6":false},{"host":"ed11.ddi.ncsu.edu","ipv6":false}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://cdn.ncsu.edu/","address":"2600:9000:27cb:7a00:e:65af:fc40:93a1","status":200,"tls":"valid"}]},"receiptId":"uHEm1kZ9jk","reused":true,"measuredAt":"2026-11-03T03:58:38.423Z"}