{"kind":"host","input":"autodiscover.planeo.cz","report":{"host":"autodiscover.planeo.cz","checkedAt":"2026-11-15T16:58:19.066Z","a":{"status":"found","values":["40.99.232.120","40.99.232.216","52.96.87.248","52.96.111.24","52.96.181.40","52.96.183.40","52.96.230.168","52.96.242.24"],"ttl":10,"via":"Cloudflare","cname":["autodiscover.outlook.com","autodiscover.outlook.cloud.microsoft","atm.autodiscover.mira.tm.svc.cloud.microsoft"]},"aaaa":{"status":"found","values":["2603:1036:207:457::8","2603:1036:207:459::8","2603:1036:302:4157::8","2603:1036:302:415a::8","2603:1036:302:415e::8","2603:1036:302:4837::8","2603:1036:302:48b4::8","2603:1036:302:505d::8"],"ttl":10,"via":"Cloudflare","cname":["autodiscover.outlook.com","autodiscover.outlook.cloud.microsoft","atm.autodiscover.mira.tm.svc.cloud.microsoft"]},"verdict":"dual-stack","www":{"host":"www.autodiscover.planeo.cz","a":{"status":"absent","via":"Cloudflare","cname":[]},"aaaa":{"status":"absent","via":"Cloudflare","cname":[]},"verdict":"no-address"}},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: www doesn't fully work over IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"autodiscover.planeo.cz has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2603:1036:207:457::8","result":"answers","port":80},{"address":"2603:1036:207:459::8","result":"answers","port":80},{"address":"2603:1036:302:4157::8","result":"answers","port":80},{"address":"2603:1036:302:415a::8","result":"answers","port":80},{"address":"2603:1036:302:415e::8","result":"not tested"},{"address":"2603:1036:302:4837::8","result":"not tested"},{"address":"2603:1036:302:48b4::8","result":"not tested"},{"address":"2603:1036:302:505d::8","result":"not tested"}]},{"key":"www","label":"www over IPv6","status":"fail","detail":"www.autodiscover.planeo.cz has no AAAA record."},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record."},{"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}]}]},"https":{"status":"unknown","summary":"autodiscover.planeo.cz didn't complete an HTTPS request over IPv6 (ECONNREFUSED).","hops":[{"url":"https://autodiscover.planeo.cz/","address":"2603:1036:207:457::8","note":"ECONNREFUSED"}]},"receiptId":"IdPVqre2Cb","reused":true,"measuredAt":"2026-11-15T16:58:19.098Z"}