{"kind":"host","input":"alertservices.online","report":{"host":"alertservices.online","checkedAt":"2026-11-13T23:53:36.738Z","a":{"status":"found","values":["217.160.0.70"],"ttl":3600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2001:8d8:100f:f000::200"],"ttl":3600,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.alertservices.online","a":{"status":"found","values":["217.160.0.70"],"ttl":3600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2001:8d8:100f:f000::200"],"ttl":3600,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its mail servers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"alertservices.online has an AAAA record and answers on it.","addresses":[{"address":"2001:8d8:100f:f000::200","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.alertservices.online has an AAAA record and answers on it.","addresses":[{"address":"2001:8d8:100f:f000::200","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":"mx01.ionos.de","ipv6":false},{"host":"mx00.ionos.de","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"4 of 4 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1023.ui-dns.com","ipv6":true},{"host":"ns1075.ui-dns.biz","ipv6":true},{"host":"ns1029.ui-dns.org","ipv6":true},{"host":"ns1098.ui-dns.de","ipv6":true}]}]},"https":{"status":"unknown","summary":"alertservices.online didn't complete an HTTPS request over IPv6 (ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR).","hops":[{"url":"https://alertservices.online/","address":"2001:8d8:100f:f000::200","note":"ERR_SSL_TLSV1_ALERT_INTERNAL_ERROR"}]},"receiptId":"5B-0ZV48LH","reused":true,"measuredAt":"2026-11-13T23:53:37.392Z"}