Generated: 2026-08-09T00:15:26-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| OK | IPv4 (A) | 30/30 | 1 IPv4 address(es) detected. |
| ERROR | IPv6 (AAAA) | 0/10 | 0 IPv6 address(es) detected. |
| OK | Name server redundancy | 20/20 | 6 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 | 231 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| ERROR | HTTP security headers | 0/35 | 0 of 9 evaluated headers detected. |
| ERROR | PTR reverse DNS | 0/30 | PTR not detected. |
| WARNING | IPv4 diversity | 20/35 | 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 | 27.126.235.25 |
| AAAA | |
| CNAME | |
| MX | 5 cuhk-st.in.tmes.trendmicro.com. |
| TXT | "h5WA8UpWGJWDLyxQvxpOC9isc0019te/wKy9xGdID77RbUkXS9N0BgPvNtPd2KKg9JMjbG1jIUFrrrrTGKi9DQ==" "google-site-verification=cGTxUZkK1PBJ2dmfxNmtS9Q3n1XNb2qwvVyQkIrq9CA" "adobe-idp-site-verification=7fc23f51ce60adec0d8796a683914ba1167fb49fc42d8889fa7416ba4927079c" "Foxit-domain-verification=7b63330972e6429e349104a11a97ec34" "v=spf1 include:spf.protection.outlook.com include:spfe.itsc.cuhk.edu.hk include:spftmems.itsc.cuhk.edu.hk ip4:137.189.0.0/16 ip4:123.255.65.0/24 ip6:2405:3000:3::/48 -all" |
| NS | dns1.cuhk.edu.hk. dns3.cuhk.edu.hk. dns2.cuhk.edu.hk. ns4.gdnsdef.com. anyns.cuhk.edu.hk. ns4.gdnsec.com. |
| SOA | ddi-gm1.itsc.cuhk.edu.hk. hostmaster.cuhk.edu.hk. 201704521 600 300 1814400 300 |
| CAA | |
| DS | |
| DNSKEY | |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | 50 50 "s" "SIPS+D2T" "" _sips._tcp.cuhk.edu.hk. 100 50 "s" "SIP+D2U" "" _sip._udp.cuhk.edu.hk. 90 50 "s" "SIP+D2T" "" _sip._tcp.cuhk.edu.hk. |
| TLSA | |
| SSHFP |