{"kind":"host","input":"files.mastercard.com","report":{"host":"files.mastercard.com","checkedAt":"2026-11-02T13:24:18.971Z","a":{"status":"found","values":["216.119.219.66"],"ttl":3600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only"},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"files.mastercard.com has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has no 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":"a9-64.akam.net","ipv6":true},{"host":"a7-67.akam.net","ipv6":true},{"host":"a26-66.akam.net","ipv6":true},{"host":"a18-64.akam.net","ipv6":true},{"host":"a22-65.akam.net","ipv6":true},{"host":"a1-29.akam.net","ipv6":true}]}]},"receiptId":"DD64SXjUqt","reused":true,"measuredAt":"2026-11-02T13:24:19.008Z"}