{"kind":"host","input":"websupport.sk","report":{"host":"websupport.sk","checkedAt":"2026-11-02T12:43:53.986Z","a":{"status":"found","values":["37.9.169.171","37.9.169.172","37.9.169.173"],"ttl":600,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2a00:4b40:1000:4:37:9:169:171","2a00:4b40:1000:4:37:9:169:172","2a00:4b40:1000:4:37:9:169:173"],"ttl":600,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.websupport.sk","a":{"status":"found","values":["37.9.169.171","37.9.169.172","37.9.169.173"],"ttl":600,"via":"Cloudflare","cname":["web.prod.bts.websupport.sk"]},"aaaa":{"status":"found","values":["2a00:4b40:1000:4:37:9:169:171","2a00:4b40:1000:4:37:9:169:172","2a00:4b40:1000:4:37:9:169:173"],"ttl":600,"via":"Cloudflare","cname":["web.prod.bts.websupport.sk"]},"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":"websupport.sk has 3 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a00:4b40:1000:4:37:9:169:171","result":"answers","port":443},{"address":"2a00:4b40:1000:4:37:9:169:172","result":"answers","port":443},{"address":"2a00:4b40:1000:4:37:9:169:173","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.websupport.sk has 3 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2a00:4b40:1000:4:37:9:169:171","result":"answers","port":443},{"address":"2a00:4b40:1000:4:37:9:169:172","result":"answers","port":443},{"address":"2a00:4b40:1000:4:37:9:169:173","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":"mailin1.websupport.sk","ipv6":false},{"host":"mailin2.websupport.sk","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"3 of 3 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"ns1.websupport.sk","ipv6":true},{"host":"ns2.websupport.sk","ipv6":true},{"host":"ns3.websupport.sk","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://websupport.sk/","address":"2a00:4b40:1000:4:37:9:169:171","status":301,"tls":"valid"},{"url":"https://www.websupport.sk/","address":"2a00:4b40:1000:4:37:9:169:171","status":200,"tls":"valid"}]},"receiptId":"sh-5tgUu_Z","reused":true,"measuredAt":"2026-11-02T12:43:54.763Z"}