{"kind":"host","input":"email.klarna.com","report":{"host":"email.klarna.com","checkedAt":"2026-11-03T02:56:23.521Z","a":{"status":"found","values":["18.210.196.248","3.146.143.145","3.129.50.107","3.17.195.251","3.148.128.83","35.169.45.18","54.144.187.140","54.152.205.116"],"ttl":90,"via":"Cloudflare","cname":["sendgrid.net"]},"aaaa":{"status":"absent","via":"Cloudflare","cname":["sendgrid.net"]},"verdict":"ipv4-only"},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"email.klarna.com has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mx.sendgrid.net","ipv6":false},{"host":"mx2.sendgrid.net","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":"a20-66.akam.net","ipv6":true},{"host":"edns7.ultradns.org","ipv6":true},{"host":"a12-65.akam.net","ipv6":true},{"host":"edns7.ultradns.com","ipv6":true},{"host":"a1-74.akam.net","ipv6":true},{"host":"a5-64.akam.net","ipv6":true}]}]},"receiptId":"oXXxGkL_1k","reused":true,"measuredAt":"2026-11-03T02:56:23.566Z"}