{"kind":"host","input":"telefonica.de","report":{"host":"telefonica.de","checkedAt":"2026-10-31T17:01:57.254Z","a":{"status":"found","values":["213.95.181.12"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2001:780:138:547::d55f:b50c"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.telefonica.de","a":{"status":"found","values":["213.95.181.12"],"ttl":91,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2001:780:138:547::d55f:b50c"],"ttl":241,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"C","summary":"Works over IPv6, with gaps: its mail servers lack IPv6; its nameservers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"telefonica.de has an AAAA record and answers on it.","addresses":[{"address":"2001:780:138:547::d55f:b50c","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.telefonica.de has an AAAA record and answers on it.","addresses":[{"address":"2001:780:138:547::d55f:b50c","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"fail","detail":"None of the mail servers has an AAAA record.","hosts":[{"host":"mailserver1.viaginterkom.de","ipv6":false}]},{"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":"ns2.telefonica.de","ipv6":false},{"host":"ns3.telefonica.de","ipv6":false},{"host":"ns1.telefonica.de","ipv6":false}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://telefonica.de/","address":"2001:780:138:547::d55f:b50c","status":301,"tls":"valid"},{"url":"https://www.telefonica.de/","address":"2001:780:138:547::d55f:b50c","status":200,"tls":"valid"}]},"receiptId":"Z_GCzJszz-"}