{"kind":"host","input":"testers.run","report":{"host":"testers.run","checkedAt":"2026-10-30T15:42:40.496Z","a":{"status":"found","values":["172.66.3.26","162.159.143.30"],"ttl":180,"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":"testers.run 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":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"ns3.hosting.co.kr","ipv6":false},{"host":"ns2.hosting.co.kr","ipv6":false},{"host":"ns4.hosting.co.kr","ipv6":false},{"host":"ns1.hosting.co.kr","ipv6":false}]}]},"receiptId":"cJr-TPuobA"}