{"domain":"ucla.edu","result":true,"measuredAt":"2026-11-02T16:56:37.007Z","receiptId":"x6XMI-L7Sc","answer":{"kind":"host","input":"ucla.edu","report":{"host":"ucla.edu","checkedAt":"2026-11-02T16:56:36.984Z","a":{"status":"found","values":["15.197.181.170","3.33.167.235"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.ucla.edu","a":{"status":"found","values":["13.226.238.67","13.226.238.65","13.226.238.49","13.226.238.6"],"ttl":60,"via":"Cloudflare","cname":["d1zev4mn1zpfbc.cloudfront.net"]},"aaaa":{"status":"found","values":["2600:9000:201f:a600:b:5c6c:3200:93a1","2600:9000:201f:a000:b:5c6c:3200:93a1","2600:9000:201f:4800:b:5c6c:3200:93a1","2600:9000:201f:7400:b:5c6c:3200:93a1","2600:9000:201f:7200:b:5c6c:3200:93a1","2600:9000:201f:8800:b:5c6c:3200:93a1","2600:9000:201f:9c00:b:5c6c:3200:93a1","2600:9000:201f:c800:b:5c6c:3200:93a1"],"ttl":60,"via":"Cloudflare","cname":["d1zev4mn1zpfbc.cloudfront.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"ucla.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.ucla.edu has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:201f:a600:b:5c6c:3200:93a1","result":"answers","port":443},{"address":"2600:9000:201f:a000:b:5c6c:3200:93a1","result":"answers","port":443},{"address":"2600:9000:201f:4800:b:5c6c:3200:93a1","result":"answers","port":443},{"address":"2600:9000:201f:7400:b:5c6c:3200:93a1","result":"answers","port":443},{"address":"2600:9000:201f:7200:b:5c6c:3200:93a1","result":"not tested"},{"address":"2600:9000:201f:8800:b:5c6c:3200:93a1","result":"not tested"},{"address":"2600:9000:201f:9c00:b:5c6c:3200:93a1","result":"not tested"},{"address":"2600:9000:201f:c800:b:5c6c:3200:93a1","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"smtp.google.com","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1.dns.ucla.edu","ipv6":true},{"host":"ns3.dns.ucla.edu","ipv6":true},{"host":"ns4.dns.ucla.edu","ipv6":true},{"host":"ns2.dns.ucla.edu","ipv6":true}]}]}},"states":[{"firstSeen":"2026-11-02T00:11:45.418Z","lastConfirmed":"2026-11-02T16:56:37.007Z","checks":3,"verdict":"ipv4-only","grade":"D","web":"fail","www":"pass","mail":"pass","dns":"pass","secondLook":null}]}