{"kind":"host","input":"mail.klarna.com","report":{"host":"mail.klarna.com","checkedAt":"2026-11-02T16:07:25.455Z","a":{"status":"found","values":["172.253.63.121"],"ttl":300,"via":"Cloudflare","cname":["ghs.google.com"]},"aaaa":{"status":"found","values":["2607:f8b0:4004:c29::79"],"ttl":300,"via":"Cloudflare","cname":["ghs.google.com"]},"verdict":"dual-stack"},"readiness":{"grade":"A","summary":"Website, mail and DNS all work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"mail.klarna.com has an AAAA record and answers on it.","addresses":[{"address":"2607:f8b0:4004:c29::79","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record."},{"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":"a1-74.akam.net","ipv6":true},{"host":"a5-64.akam.net","ipv6":true},{"host":"edns7.ultradns.com","ipv6":true},{"host":"edns7.ultradns.org","ipv6":true},{"host":"a12-65.akam.net","ipv6":true},{"host":"a20-66.akam.net","ipv6":true}]}]},"https":{"status":"unknown","summary":"mail.klarna.com didn't complete an HTTPS request over IPv6 (connection closed before a response).","hops":[{"url":"https://mail.klarna.com/","address":"2607:f8b0:4004:c29::79","note":"connection closed before a response"}]},"receiptId":"WnMp5CLIdv","reused":true,"measuredAt":"2026-11-02T16:07:25.503Z"}