{"domain":"ku.edu","result":true,"measuredAt":"2026-11-02T18:08:33.897Z","receiptId":"RnX_YEDZaQ","answer":{"kind":"host","input":"ku.edu","report":{"host":"ku.edu","checkedAt":"2026-11-02T18:08:33.808Z","a":{"status":"found","values":["129.237.135.76"],"ttl":600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.ku.edu","a":{"status":"found","values":["129.237.135.76"],"ttl":600,"via":"Cloudflare","cname":["ku.edu"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["ku.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":"ku.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.ku.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":"ku-edu.mail.protection.outlook.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":"ns4.ku.edu","ipv6":false},{"host":"ns2.ku.edu","ipv6":false},{"host":"ns1.ku.edu","ipv6":false}]}]}},"states":[{"firstSeen":"2026-11-02T00:07:05.959Z","lastConfirmed":"2026-11-02T18:08:33.897Z","checks":3,"verdict":"ipv4-only","grade":"D","web":"fail","www":"fail","mail":"pass","dns":"fail","secondLook":null}]}