{"kind":"host","input":"rsch.jp","report":{"host":"rsch.jp","checkedAt":"2026-10-31T17:20:12.616Z","a":{"status":"found","values":["104.155.197.197"],"ttl":300,"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":"rsch.jp 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":"3 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"01.dnsv.jp","ipv6":true},{"host":"02.dnsv.jp","ipv6":false},{"host":"03.dnsv.jp","ipv6":true},{"host":"04.dnsv.jp","ipv6":true}]}]},"receiptId":"Tk9rfxNKzJ"}