{"kind":"host","input":"slevomat.cz","report":{"host":"slevomat.cz","checkedAt":"2026-11-04T18:37:14.756Z","a":{"status":"found","values":["104.26.0.13","104.26.1.13","172.67.72.30"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:20::681a:d","2606:4700:20::681a:10d","2606:4700:20::ac43:481e"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.slevomat.cz","a":{"status":"found","values":["104.26.1.13","172.67.72.30","104.26.0.13"],"ttl":210,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:20::681a:d","2606:4700:20::681a:10d","2606:4700:20::ac43:481e"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack"}},"readiness":{"grade":"A","summary":"Website, mail and DNS all work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"slevomat.cz has 3 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:20::681a:d","result":"answers","port":443},{"address":"2606:4700:20::681a:10d","result":"answers","port":443},{"address":"2606:4700:20::ac43:481e","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.slevomat.cz has 3 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:20::681a:d","result":"answers","port":443},{"address":"2606:4700:20::681a:10d","result":"answers","port":443},{"address":"2606:4700:20::ac43:481e","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"aspmx.l.google.com","ipv6":true},{"host":"alt1.aspmx.l.google.com","ipv6":true},{"host":"alt2.aspmx.l.google.com","ipv6":true},{"host":"alt3.aspmx.l.google.com","ipv6":true},{"host":"alt4.aspmx.l.google.com","ipv6":true}]},{"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":"mimi.ns.cloudflare.com","ipv6":true},{"host":"felicity.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 403.","hops":[{"url":"https://slevomat.cz/","address":"2606:4700:20::681a:d","status":403,"tls":"valid"}]},"receiptId":"kOXJzupk2x","reused":true,"measuredAt":"2026-11-04T18:37:14.834Z"}