{"kind":"host","input":"rossmann.pl","report":{"host":"rossmann.pl","checkedAt":"2026-11-05T16:00:19.454Z","a":{"status":"found","values":["104.18.75.1","104.18.74.1"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6812:4a01","2606:4700::6812:4b01"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.rossmann.pl","a":{"status":"found","values":["104.18.75.1","104.18.74.1"],"ttl":134,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700::6812:4a01","2606:4700::6812:4b01"],"ttl":190,"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":"rossmann.pl has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6812:4a01","result":"answers","port":443},{"address":"2606:4700::6812:4b01","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.rossmann.pl has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700::6812:4a01","result":"answers","port":443},{"address":"2606:4700::6812:4b01","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":"rossmann-pl.mail.protection.outlook.com","ipv6":false}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"chloe.ns.cloudflare.com","ipv6":true},{"host":"major.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.","hops":[{"url":"https://rossmann.pl/","address":"2606:4700::6812:4a01","status":301,"tls":"valid"},{"url":"https://www.rossmann.pl/","address":"2606:4700::6812:4a01","status":200,"tls":"valid"}]},"receiptId":"HYZbwm7HsP","reused":true,"measuredAt":"2026-11-05T16:00:20.118Z"}