Generated: 2026-08-09T11:09:46-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| OK | IPv4 (A) | 30/30 | 2 IPv4 address(es) detected. |
| ERROR | IPv6 (AAAA) | 0/10 | 0 IPv6 address(es) detected. |
| OK | Name server redundancy | 20/20 | 2 NS record(s); 2 or more required. |
| OK | SOA record | 10/10 | Authoritative zone record. |
| ERROR | DNSSEC chain | 0/15 | Both DS and DNSKEY are required. |
| ERROR | CAA policy | 0/5 | Certificate authority restriction. |
| OK | DNS propagation | 10/10 | Agreement between public resolvers. |
| OK | MX records | 20/20 | 1 MX record(s). |
| OK | SPF | 25/25 | SPF policy published. |
| OK | DMARC | 25/25 | DMARC policy published. |
| OK | DKIM | 20/20 | A DKIM selector was verified. |
| ERROR | MTA-STS | 0/5 | Mail transport policy. |
| ERROR | TLS-RPT | 0/5 | TLS reporting policy. |
| OK | Valid TLS certificate | 55/55 | 144 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| WARNING | HTTP security headers | 23/35 | 6 of 9 evaluated headers detected. |
| OK | PTR reverse DNS | 30/30 | PTR: www.polyu.edu.hk |
| OK | IPv4 diversity | 35/35 | Two or more IPv4 addresses receive full points. |
| ERROR | IPv6 connectivity | 0/35 | AAAA availability. |
| OK | DNS resolution | 40/40 | At least one address family must resolve. |
| OK | HTTP response | 40/40 | HTTP/1.1 200 OK |
| OK | HTTPS final URL | 20/20 | Final URL uses HTTPS. |
| Tipo | Values |
|---|---|
| A | 158.132.48.76 158.132.82.94 |
| AAAA | |
| CNAME | |
| MX | 10 polyu-edu-hk.mail.protection.outlook.com. |
| TXT | "google-site-verification=S4gP1ky07rXzDuJ2NTcqloJeWYRJRCM5FbDe7xFKfvc" "google-gws-recovery-domain-verification=50227349" "google-gws-recovery-domain-verification=50205257" "atlassian-sending-domain-verification=9ae71124-b75f-4ccb-8a12-e4173d5aa536" "v=spf1 include:spf.protection.outlook.com include:spf1.polyu.edu.hk include:spf2.polyu.edu.hk include:spf3.polyu.edu.hk a mx ~all" "apple-domain-verification=xpc2BddvaHurWavB" "atlassian-domain-verification=6EL49gWopADihaAxSUwyDC9w0zd2YuUy397S38FqLHloMMRfZtiZ4ipWllHEBwdd" "sophos-domain-verification=70802d6bba1ca9eae7fccef88be880c57192fa5ce4fba27e389b6f38e697fa32" "facebook-domain-verification=ssvm0ez4syfkajb6n76mf88r98bisi" "atlassian-sending-domain-verification=517083e2-98df-498a-ab71-4e141214478d" "atlassian-sending-domain-verification=8d317368-625f-40ec-9cdb-19ec9de7f1fe" "google-site-verification=ui1Q4jvNqdzqbqW17F3TkfazxyqAhvHgVeHz-4EZ-E4" "atlassian-sending-domain-verification=c7f75273-a26d-49da-a247-3b095a3d8c6d" "atlassian-sending-domain-verification=792bcc73-cc09-4587-89ca-964c00061174" |
| NS | ns3.polyu.edu.hk. ns4.polyu.edu.hk. |
| SOA | ns4.polyu.edu.hk. dnsadm.polyu.edu.hk. 2026080701 3600 3600 604800 3600 |
| CAA | |
| DS | |
| DNSKEY | |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | |
| TLSA | |
| SSHFP |