{"kind":"host","input":"keystay.app","report":{"host":"keystay.app","checkedAt":"2026-11-10T11:17:08.749Z","a":{"status":"found","values":["104.21.7.221","172.67.156.124"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3031::ac43:9c7c","2606:4700:3036::6815:7dd"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.keystay.app","a":{"status":"found","values":["172.67.156.124","104.21.7.221"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3031::ac43:9c7c","2606:4700:3036::6815:7dd"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"keystay.app has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3031::ac43:9c7c","result":"answers","port":443},{"address":"2606:4700:3036::6815:7dd","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.keystay.app has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3031::ac43:9c7c","result":"answers","port":443},{"address":"2606:4700:3036::6815:7dd","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"eforward1.registrar-servers.com","ipv6":false},{"host":"eforward2.registrar-servers.com","ipv6":false},{"host":"eforward3.registrar-servers.com","ipv6":false},{"host":"eforward4.registrar-servers.com","ipv6":false},{"host":"eforward5.registrar-servers.com","ipv6":false}]},{"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":"savanna.ns.cloudflare.com","ipv6":true},{"host":"zac.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://keystay.app/","address":"2606:4700:3031::ac43:9c7c","status":200,"tls":"valid"}]},"receiptId":"KvdFf4axaA","reused":true,"measuredAt":"2026-11-10T11:17:10.334Z"}