{"domain":"nd.edu","result":true,"measuredAt":"2026-11-02T17:38:33.739Z","receiptId":"eXUolHL7lP","answer":{"kind":"host","input":"nd.edu","report":{"host":"nd.edu","checkedAt":"2026-11-02T17:38:33.700Z","a":{"status":"found","values":["34.193.237.201"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.nd.edu","a":{"status":"found","values":["44.207.204.144","52.203.125.65","52.1.175.189"],"ttl":60,"via":"Cloudflare","cname":["www-home-page-1337944717.us-east-1.elb.amazonaws.com"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["www-home-page-1337944717.us-east-1.elb.amazonaws.com"]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"nd.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.nd.edu has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"alt4.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true},{"host":"alt3.aspmx.l.google.com","ipv6":true},{"host":"aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true}]},{"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":"ns3.nd.edu","ipv6":false},{"host":"ns1.nd.edu","ipv6":false},{"host":"ns2.nd.edu","ipv6":false}]}]}},"states":[{"firstSeen":"2026-11-02T00:08:33.296Z","lastConfirmed":"2026-11-02T17:38:33.739Z","checks":3,"verdict":"ipv4-only","grade":"D","web":"fail","www":"fail","mail":"pass","dns":"fail","secondLook":null}]}