{"kind":"host","input":"amazon.com","report":{"host":"amazon.com","checkedAt":"2026-10-30T17:12:03.698Z","a":{"status":"found","values":["98.87.170.74","98.82.161.185","98.87.170.71"],"ttl":485,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.amazon.com","a":{"status":"found","values":["3.170.42.148"],"ttl":14,"via":"Cloudflare","cname":["tp.47cf2c8c9-frontier.amazon.com","cf.47cf2c8c9-frontier.amazon.com"]},"aaaa":{"status":"found","values":["2600:9000:2870:8a00:7:49a5:5fd6:da1","2600:9000:2870:7600:7:49a5:5fd6:da1","2600:9000:2870:a000:7:49a5:5fd6:da1","2600:9000:2870:6e00:7:49a5:5fd6:da1","2600:9000:2870:e600:7:49a5:5fd6:da1","2600:9000:2870:b800:7:49a5:5fd6:da1","2600:9000:2870:2400:7:49a5:5fd6:da1","2600:9000:2870:1200:7:49a5:5fd6:da1"],"ttl":20,"via":"Cloudflare","cname":["tp.47cf2c8c9-frontier.amazon.com","cf.47cf2c8c9-frontier.amazon.com"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"amazon.com has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.amazon.com has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2600:9000:2870:8a00:7:49a5:5fd6:da1","result":"answers","port":443},{"address":"2600:9000:2870:7600:7:49a5:5fd6:da1","result":"answers","port":443},{"address":"2600:9000:2870:a000:7:49a5:5fd6:da1","result":"answers","port":443},{"address":"2600:9000:2870:6e00:7:49a5:5fd6:da1","result":"answers","port":443},{"address":"2600:9000:2870:e600:7:49a5:5fd6:da1","result":"not tested"},{"address":"2600:9000:2870:b800:7:49a5:5fd6:da1","result":"not tested"},{"address":"2600:9000:2870:2400:7:49a5:5fd6:da1","result":"not tested"},{"address":"2600:9000:2870:1200:7:49a5:5fd6:da1","result":"not tested"}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"amazon-smtp.amazon.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns-1447.awsdns-52.org","ipv6":true},{"host":"ns-1707.awsdns-21.co.uk","ipv6":true},{"host":"ns-264.awsdns-33.com","ipv6":true},{"host":"ns-521.awsdns-01.net","ipv6":true}]}]},"receiptId":"_uGtd-Hmlx"}