Generated: 2026-08-12T04:42:10-05:00
| 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 | 4 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. |
| ERROR | DMARC | 0/25 | DMARC policy not found. |
| ERROR | DKIM | 0/20 | No tested DKIM selector responded. |
| ERROR | MTA-STS | 0/5 | Mail transport policy. |
| ERROR | TLS-RPT | 0/5 | TLS reporting policy. |
| ERROR | Valid TLS certificate | 0/55 | No valid certificate was retrieved. |
| ERROR | Certificate lifetime | 0/10 | 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. |
| 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. |
| ERROR | HTTP response | 0/40 | No successful HTTP response. |
| OK | HTTPS final URL | 20/20 | Final URL uses HTTPS. |
| Tipo | Values |
|---|---|
| A | 183.168.162.3 183.168.162.4 |
| AAAA | ;; communications error to 69.64.44.20#53: timed out ;; communications error to 69.64.44.50#53: timed out ; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> ccnu.edu.cn AAAA +short +time=1 +tries=1 ;; global options: +cmd ;; no servers could be reached |
| CNAME | ;; communications error to 69.64.44.20#53: timed out |
| MX | 5 mxbiz.vip.qq.com. |
| TXT | "v=spf1 include:spf.mail.qq.com -all" "MS=ms42129745" "adobe-idp-site-verification=3db3c522f27f03df2f0fc2451e4c7d8d3ab46df1bea528a2db82bb723d76cc92" |
| NS | ccnu-2.ccnu.edu.cn. ccnu-1.ccnu.edu.cn. ns1.ccnu.edu.cn. ns2.ccnu.edu.cn. |
| SOA | ;; communications error to 69.64.44.20#53: timed out ;; communications error to 69.64.44.50#53: timed out ; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> ccnu.edu.cn SOA +short +time=1 +tries=1 ;; global options: +cmd ;; no servers could be reached |
| CAA | |
| DS | |
| DNSKEY | ;; communications error to 69.64.44.20#53: timed out |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | ;; communications error to 69.64.44.20#53: timed out ;; communications error to 69.64.44.50#53: timed out ; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> ccnu.edu.cn SRV +short +time=1 +tries=1 ;; global options: +cmd ;; no servers could be reached |
| NAPTR | |
| TLSA | |
| SSHFP | ;; communications error to 69.64.44.20#53: timed out |