{"kind":"host","input":"mpg.de","report":{"host":"mpg.de","checkedAt":"2026-11-02T10:12:54.759Z","a":{"status":"found","values":["134.76.31.198"],"ttl":3600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.mpg.de","a":{"status":"found","values":["134.76.31.198"],"ttl":1172,"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":"mpg.de has no AAAA record."},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.mpg.de 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":"a1236.mx.srv.dfn.de","ipv6":false},{"host":"b1236.mx.srv.dfn.de","ipv6":false},{"host":"c1236.mx.srv.dfn.de","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 5 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1.es.net","ipv6":true},{"host":"sat.mpcdf.mpg.de","ipv6":true},{"host":"dns1.gwdg.de","ipv6":true},{"host":"dns2.gwdg.de","ipv6":true},{"host":"dns3.gwdg.de","ipv6":false}]}]},"receiptId":"nC1euq_9O1","reused":true,"measuredAt":"2026-11-02T10:12:55.073Z"}