{"kind":"host","input":"mesacloud.courses","report":{"host":"mesacloud.courses","checkedAt":"2026-11-13T19:26:01.706Z","a":{"status":"found","values":["172.67.135.156","104.21.26.73"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::ac43:879c","2606:4700:3031::6815:1a49"],"ttl":300,"via":"Cloudflare","cname":[]},"verdict":"dual-stack","www":{"host":"www.mesacloud.courses","a":{"status":"found","values":["104.21.26.73","172.67.135.156"],"ttl":300,"via":"Cloudflare","cname":[]},"aaaa":{"status":"found","values":["2606:4700:3032::ac43:879c","2606:4700:3031::6815:1a49"],"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":"mesacloud.courses has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::ac43:879c","result":"answers","port":443},{"address":"2606:4700:3031::6815:1a49","result":"answers","port":443}]},{"key":"www","label":"www over IPv6","status":"pass","detail":"www.mesacloud.courses has 2 IPv6 addresses and answers on every one we tested.","addresses":[{"address":"2606:4700:3032::ac43:879c","result":"answers","port":443},{"address":"2606:4700:3031::6815:1a49","result":"answers","port":443}]},{"key":"mail","label":"Mail servers (MX) have IPv6","status":"pass","detail":"Every mail server has an AAAA record.","hosts":[{"host":"mesacloud-courses.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":"paul.ns.cloudflare.com","ipv6":true},{"host":"zara.ns.cloudflare.com","ipv6":true}]}]},"https":{"status":"fail","problem":"redirect-no-ipv6","summary":"Redirects to citypicked.com, which has no IPv6 address — so IPv6 visitors end up needing IPv4 after all.","hops":[{"url":"https://mesacloud.courses/","address":"2606:4700:3032::ac43:879c","status":301,"tls":"valid"},{"url":"https://citypicked.com/","note":"redirects to citypicked.com, which has no IPv6 address"}]},"receiptId":"OQ-rgq6fC2","reused":true,"measuredAt":"2026-11-13T19:26:01.921Z"}