Generated: 2026-08-10T02:19:46-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| ERROR | IPv4 (A) | 0/30 | 0 IPv4 address(es) detected. |
| ERROR | IPv6 (AAAA) | 0/10 | 0 IPv6 address(es) detected. |
| OK | Name server redundancy | 20/20 | 3 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. |
| OK | CAA policy | 5/5 | Certificate authority restriction. |
| ERROR | DNS propagation | 0/10 | Agreement between public resolvers. |
| OK | MX records | 20/20 | 3 MX record(s). |
| OK | SPF | 25/25 | SPF policy published. |
| ERROR | DMARC | 0/25 | DMARC policy not found. |
| 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. |
| 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. |
| ERROR | IPv4 diversity | 0/35 | Two or more IPv4 addresses receive full points. |
| ERROR | IPv6 connectivity | 0/35 | AAAA availability. |
| ERROR | DNS resolution | 0/40 | 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 | |
| AAAA | ;; communications error to 69.64.44.20#53: timed out |
| CNAME | |
| MX | 10 mx1.tongji.edu.cn. 5 mx-tongji-edu-cn.icoremail.net. 20 mx2.tongji.edu.cn. |
| TXT | "adobe-idp-site-verification=ca728849675f238a20c3874d74e58e5e1399a196e3be359f6a29031331e465c4" "_6qg3udsgvtvt58xo7kkipv28tgedyqi" "4blkrymvmwnf1wn0nkh9vq0m3j29jkqr" "6641776d962f46aab89e99f830b8ed99" "MS=47E22A7DF20DB436ED4D7360328F144CD95AD60D" "v=spf1 ip4:202.120.188.177 ip4:202.120.189.160/28 ip4:202.120.188.6 ip4:202.120.188.72 ip6:2001:da8:b8:124::/64 include:spf.icoremail.net -all" |
| NS | dns.tongji.edu.cn. dns1.tongji.edu.cn. dns2.tongji.edu.cn. |
| SOA | ;; communications error to 69.64.44.20#53: timed out dns.tongji.edu.cn. root.tongji.edu.cn. 2019096447 7200 600 1209600 3600 |
| CAA | ;; 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 <<>> tongji.edu.cn CAA +short +time=1 +tries=1 ;; global options: +cmd ;; no servers could be reached |
| DS | |
| DNSKEY | ;; communications error to 69.64.44.20#53: timed out |
| RRSIG | |
| NSEC | ;; communications error to 69.64.44.20#53: timed out |
| NSEC3 | ;; communications error to 69.64.44.20#53: timed out |
| SRV | |
| NAPTR | |
| TLSA | |
| SSHFP |