{"kind":"host","input":"smtp.earthlink.net","report":{"host":"smtp.earthlink.net","checkedAt":"2026-11-02T04:00:09.181Z","a":{"status":"found","values":["207.69.189.26","207.69.189.25","207.69.189.22","207.69.189.27","207.69.189.21","207.69.189.23","207.69.189.24","207.69.189.28"],"ttl":1800,"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":"smtp.earthlink.net 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":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"carl.ns.cloudflare.com","ipv6":true},{"host":"rihana.ns.cloudflare.com","ipv6":true}]}]},"receiptId":"NG55aavJ9B","reused":true,"measuredAt":"2026-11-02T04:00:09.188Z"}