{"domain":"umd.edu","result":true,"measuredAt":"2026-11-02T16:56:48.459Z","receiptId":"Sifgm8Etpk","answer":{"kind":"host","input":"umd.edu","report":{"host":"umd.edu","checkedAt":"2026-11-02T16:56:48.370Z","a":{"status":"found","values":["94.247.142.1"],"ttl":158,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.umd.edu","a":{"status":"found","values":["165.227.248.71"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"umd.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.umd.edu has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mx1.umd.iphmx.com","ipv6":false},{"host":"mx2.umd.iphmx.com","ipv6":false}]},{"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":"ns1.umd.edu","ipv6":false},{"host":"ns2.umd.edu","ipv6":false},{"host":"ns.ums.edu","ipv6":false}]}]}},"states":[{"firstSeen":"2026-11-02T00:12:15.693Z","lastConfirmed":"2026-11-02T16:56:48.459Z","checks":3,"verdict":"ipv4-only","grade":"D","web":"fail","www":"fail","mail":"fail","dns":"fail","secondLook":null}]}