{"kind":"host","input":"mail.ju.edu.jo","report":{"host":"mail.ju.edu.jo","checkedAt":"2026-11-15T17:46:23.703Z","a":{"status":"found","values":["20.190.190.129","20.190.190.195","20.190.190.194","20.190.190.193","20.190.190.130","40.126.62.131","40.126.62.130","20.190.190.131"],"ttl":300,"via":"Cloudflare","cname":["login.microsoftonline.com","login.mso.msidentity.com","ak.privatelink.msidentity.com","www.tm.a.prd.aadg.trafficmanager.net"]},"aaaa":{"status":"found","values":["2603:1036:3000:138::5","2603:1037:1:130::3","2603:1036:3000:138::3","2603:1036:3000:138::6","2603:1037:1:128::7","2603:1036:3000:138::4","2603:1037:1:128::6","2603:1037:1:130::4"],"ttl":300,"via":"Cloudflare","cname":["login.microsoftonline.com","login.mso.msidentity.com","ak.privatelink.msidentity.com","www.tm.a.prd.aadg.akadns.net"]},"verdict":"dual-stack"},"readiness":{"grade":"B","summary":"Works over IPv6, with one gap: its nameservers lack IPv6.","reachabilityTested":true,"checks":[{"key":"web","label":"Website over IPv6","status":"pass","detail":"mail.ju.edu.jo has 4 IPv6 addresses and answers on every one we tested (4 more not tested).","addresses":[{"address":"2603:1036:3000:138::5","result":"answers","port":443},{"address":"2603:1037:1:130::3","result":"answers","port":443},{"address":"2603:1036:3000:138::3","result":"answers","port":443},{"address":"2603:1036:3000:138::6","result":"answers","port":443},{"address":"2603:1037:1:128::7","result":"not tested"},{"address":"2603:1036:3000:138::4","result":"not tested"},{"address":"2603:1037:1:128::6","result":"not tested"},{"address":"2603:1037:1:130::4","result":"not tested"}]},{"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":"fail","detail":"No nameserver has an AAAA record — an IPv6-only resolver can't reach this domain's DNS.","hosts":[{"host":"prim-dns1.ju.edu.jo","ipv6":false},{"host":"externaldns.ju.edu.jo","ipv6":false}]}]},"https":{"status":"fail","problem":"certificate","summary":"The certificate served over IPv6 at 2603:1036:3000:138::5 isn't valid for mail.ju.edu.jo: ERR_TLS_CERT_ALTNAME_INVALID.","hops":[{"url":"https://mail.ju.edu.jo/","address":"2603:1036:3000:138::5","tls":"ERR_TLS_CERT_ALTNAME_INVALID"}]},"receiptId":"zzSgd5A1xa","reused":true,"measuredAt":"2026-11-15T17:46:24.166Z"}