{"kind":"host","input":"images.ihg.com","report":{"host":"images.ihg.com","checkedAt":"2026-11-02T12:39:51.379Z","a":{"status":"found","values":["23.212.251.214","23.212.251.197"],"ttl":20,"via":"Cloudflare","cname":["ihg.com"]},"aaaa":{"status":"found","values":["2600:1408:c400:16::17d4:f81b","2600:1408:c400:16::17d4:f817"],"ttl":20,"via":"Cloudflare","cname":["ihg.com"]},"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":"images.ihg.com has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:c400:16::17d4:f81b","result":"answers","port":443},{"address":"2600:1408:c400:16::17d4:f817","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":"mxa-0036c501.gslb.pphosted.com","ipv6":false},{"host":"mxb-0036c501.gslb.pphosted.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"6 of 6 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"a9-66.akam.net","ipv6":true},{"host":"a16-66.akam.net","ipv6":true},{"host":"a4-64.akam.net","ipv6":true},{"host":"a5-65.akam.net","ipv6":true},{"host":"a1-131.akam.net","ipv6":true},{"host":"a26-67.akam.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://images.ihg.com/","address":"2600:1408:c400:16::17d4:f81b","status":403,"tls":"valid"}]},"receiptId":"krWLzdN_Dn","reused":true,"measuredAt":"2026-11-02T12:39:52.884Z"}