{"kind":"host","input":"chatqpt.app","report":{"host":"chatqpt.app","checkedAt":"2026-11-10T02:04:35.189Z","a":{"status":"found","values":["104.21.26.240","172.67.168.156"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3030::ac43:a89c","2606:4700:3031::6815:1af0"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.chatqpt.app","a":{"status":"found","values":["2.59.170.19","104.219.250.36"],"ttl":30,"via":"Cloudflare","cname":["parkingpage.namecheap.com","parking.d.parity.domains"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["parkingpage.namecheap.com","parking.d.parity.domains"]},"verdict":"ipv4-only"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: www doesn't fully work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"chatqpt.app has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3030::ac43:a89c","result":"answers","port":443},{"address":"2606:4700:3031::6815:1af0","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.chatqpt.app has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"route2.mx.cloudflare.net","ipv6":true},{"host":"route1.mx.cloudflare.net","ipv6":true},{"host":"route3.mx.cloudflare.net","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"lars.ns.cloudflare.com","ipv6":true},{"host":"vivienne.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://chatqpt.app/","address":"2606:4700:3030::ac43:a89c","status":302,"tls":"valid"},{"url":"https://chatqpt.cloudflareaccess.com/cdn-cgi/access/login/chatqpt.app?kid=e67e2e446e2ee20fe6882f91bdb2295de21c339499dc8aabd5a6228e82154934&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjM2NDBhYWJiNjViYzU5MDJlNjk3MmM3ODNhOTE1Mjc4ZmI2YTQxZmEzOTc3MzM3YTAwNTk2ZDEzNTJhZDI3MGYifQ.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.RifoMnRMOhrwrHUMuKsOHvq_H4eactFFJl2OOKZNXDBtNzcsVxfD-ZaGEFNl_8RmFISOcV6_9EHgbRya7ecV6GxV9j9npDHonZYFYL5t4GFvkFin7qvkNAjD8My8pnPUROlYBL-iYPFjiOnKg12mFgY5jb2jU1z4EB8Y9rdiTxGU8cUg8mJgaHEzF8FXeH92fZQSdsF10qNaz2GH3dFtZxNSrCxPhtzN8Eltf8b9LB7OrbzxUwugB8Rei_tOxzQ84jkmVCRaHqssDC9FTWsTgYwnEvWc_zlE2DUF6eF8Ka9pcXX_SWqMCNV8anAOzP3lHTu9RIyokCDdeQLgCj2EiA&redirect_url=%2F","address":"2606:4700:300a::6813:c21d","status":200,"tls":"valid"}]},"receiptId":"YudgZtn_dy","reused":true,"measuredAt":"2026-11-10T02:04:35.774Z"}