{"kind":"host","input":"jysk.cz","report":{"host":"jysk.cz","checkedAt":"2026-11-15T15:48:24.669Z","a":{"status":"found","values":["23.202.230.210","23.202.230.209"],"ttl":20,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2600:1408:5400:35::17ca:e6d1","2600:1408:5400:35::17ca:e6d2"],"ttl":20,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.jysk.cz","a":{"status":"found","values":["23.202.230.210","23.202.230.209"],"ttl":20,"via":"Cloudflare","cname":["www.jysk.com.edgekey.net","e108241.dscb.akamaiedge.net"]},"aaaa":{"status":"found","values":["2600:1408:5400:35::17ca:e6d2","2600:1408:5400:35::17ca:e6d1"],"ttl":20,"via":"Cloudflare","cname":["www.jysk.com.edgekey.net","e108241.dscb.akamaiedge.net"]},"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":"jysk.cz has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:5400:35::17ca:e6d1","result":"answers","port":443},{"address":"2600:1408:5400:35::17ca:e6d2","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.jysk.cz has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2600:1408:5400:35::17ca:e6d2","result":"answers","port":443},{"address":"2600:1408:5400:35::17ca:e6d1","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"mailbox.nmu.nu","ipv6":true}]},{"key":"dns","label":"Nameservers have IPv6","status":"pass","detail":"6 of 6 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.","hosts":[{"host":"a10-64.akam.net","ipv6":true},{"host":"a1-160.akam.net","ipv6":true},{"host":"a5-65.akam.net","ipv6":true},{"host":"a18-64.akam.net","ipv6":true},{"host":"a26-67.akam.net","ipv6":true},{"host":"a13-66.akam.net","ipv6":true}]}]},"https":{"status":"pass","summary":"Loads over IPv6 with a valid certificate: HTTP 200.","hops":[{"url":"https://jysk.cz/","address":"2600:1408:5400:35::17ca:e6d1","status":200,"tls":"valid"}]},"receiptId":"UMdCMXG37p","reused":true,"measuredAt":"2026-11-15T15:48:25.109Z"}