{"kind":"host","input":"amazonkdp.services","report":{"host":"amazonkdp.services","checkedAt":"2026-11-05T02:54:32.344Z","a":{"status":"found","values":["104.21.49.57","172.67.159.54"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::ac43:9f36","2606:4700:3037::6815:3139"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.amazonkdp.services","a":{"status":"found","values":["172.67.159.54","104.21.49.57"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3037::ac43:9f36","2606:4700:3037::6815:3139"],"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":"amazonkdp.services has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::ac43:9f36","result":"answers","port":443},{"address":"2606:4700:3037::6815:3139","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.amazonkdp.services has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3037::ac43:9f36","result":"answers","port":443},{"address":"2606:4700:3037::6815:3139","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":"_dc-mx.869140a95358.amazonkdp.services","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":"lucy.ns.cloudflare.com","ipv6":true},{"host":"trevor.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://amazonkdp.services/","address":"2606:4700:3037::ac43:9f36","status":301,"tls":"valid"},{"url":"https://www.amazonkdp.services/","address":"2606:4700:3037::ac43:9f36","status":200,"tls":"valid"}]},"receiptId":"n3qaZTMAMh","reused":true,"measuredAt":"2026-11-05T02:54:33.114Z"}