{"kind":"host","input":"email.umd.edu","report":{"host":"email.umd.edu","checkedAt":"2026-11-02T21:14:14.699Z","a":{"status":"found","values":["13.111.67.8"],"ttl":14400,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.email.umd.edu","a":{"status":"found","values":["128.8.1.160"],"ttl":14400,"via":"Cloudflare","cname":["exch.mail.umd.edu"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["exch.mail.umd.edu"]},"verdict":"ipv4-only"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"email.umd.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.email.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":"reply.s11.exacttarget.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":"ns2.umd.edu","ipv6":false},{"host":"ns1.umd.edu","ipv6":false}]}]},"receiptId":"2BcW3znk9T","reused":true,"measuredAt":"2026-11-02T21:14:14.728Z"}