{"kind":"host","input":"planeo.cz","report":{"host":"planeo.cz","checkedAt":"2026-11-15T15:46:02.141Z","a":{"status":"found","values":["20.238.83.185"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"ipv4-only","www":{"host":"www.planeo.cz","a":{"status":"found","values":["150.171.109.76"],"ttl":10,"via":"Cloudflare","cname":["fast-prod-frontend-tfm.trafficmanager.net","fast-prod-frontend-f9hjeefnb5hmb6bh.z01.azurefd.net","mr-z01.tm-azurefd.net"]},"aaaa":{"status":"found","values":["2603:1061:14:75::1"],"ttl":10,"via":"Cloudflare","cname":["fast-prod-frontend-tfm.trafficmanager.net","fast-prod-frontend-f9hjeefnb5hmb6bh.z01.azurefd.net","mr-z01.tm-azurefd.net"]},"verdict":"dual-stack"}},"readiness":{"grade":"D","summary":"The website has no IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"fail","detail":"planeo.cz has no AAAA record."},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.planeo.cz has an AAAA record and answers on it.","addresses":[{"address":"2603:1061:14:75::1","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"planeo-cz.mail.protection.outlook.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":"duke.ns.cloudflare.com","ipv6":true},{"host":"teagan.ns.cloudflare.com","ipv6":true}]}]},"receiptId":"CpnPQBvKXc","reused":true,"measuredAt":"2026-11-15T15:46:02.201Z"}