{"domain":"tcu.edu","result":true,"measuredAt":"2026-11-02T18:08:34.045Z","receiptId":"QmCtuQAbEP","answer":{"kind":"host","input":"tcu.edu","report":{"host":"tcu.edu","checkedAt":"2026-11-02T18:08:33.959Z","a":{"status":"found","values":["54.162.35.76"],"ttl":900,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.tcu.edu","a":{"status":"found","values":["100.61.92.205","54.225.130.144"],"ttl":60,"via":"Cloudflare","cname":["webserve-alb-fdotjchvj8m0-1021690910.us-east-1.elb.amazonaws.com"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["webserve-alb-fdotjchvj8m0-1021690910.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":"tcu.edu has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.tcu.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":"ppagent01.tcu.edu","ipv6":false},{"host":"ppagent05.tcu.edu","ipv6":false},{"host":"ppagent02.tcu.edu","ipv6":false},{"host":"ppagent06.tcu.edu","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.tcu.edu","ipv6":false},{"host":"ns99.tcu.edu","ipv6":false}]}]}},"states":[{"firstSeen":"2026-11-02T00:11:06.070Z","lastConfirmed":"2026-11-02T18:08:34.045Z","checks":3,"verdict":"ipv4-only","grade":"D","web":"fail","www":"fail","mail":"fail","dns":"fail","secondLook":null}]}