Generated: 2026-08-10T03:22:22-05:00
| 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 | 5 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. |
| OK | DNS propagation | 10/10 | Agreement between public resolvers. |
| OK | MX records | 20/20 | 3 MX record(s). |
| OK | SPF | 25/25 | SPF policy published. |
| OK | DMARC | 25/25 | DMARC policy published. |
| 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. |
| OK | Valid TLS certificate | 55/55 | 164 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| WARNING | HTTP security headers | 4/35 | 1 of 9 evaluated headers detected. |
| OK | PTR reverse DNS | 30/30 | PTR: www.hhu.de |
| 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 | 134.99.128.238 |
| AAAA | |
| CNAME | |
| MX | 10 b2881.mx.srv.dfn.de. 10 c2881.mx.srv.dfn.de. 10 a2881.mx.srv.dfn.de. |
| TXT | "security_policy=https://www.hhu.de/it-sicherheit" "cisco-ci-domain-verification=4a60e9dddacd024a7029731869b6259bfb32e550f5004eb699afadf7d558cbf" "security_contact=cert@hhu.de" "b7363772c1b9953bc35b74b12e12c69c" "v=spf1 ip4:134.99.18.0/24 ip4:134.99.128.0/24 ip4:134.99.108.0/27 ip4:134.99.108.128/27 include:spf.qb-feedback.com include:_spf.o288.mx.srv.dfn.de -all" "HARICA-b01FuDqexohoPakaPN0" "T222-U324-V252" "adobe-idp-site-verification=18ec973e322894c7c0c11b75d7434eb7c4a5b8d2f164b30a6d47f928c7b5f811" "google-site-verification=kiygt8zU6VCAudun5LjKaoOEIJNgoM2yBWjSksiXaIw" |
| NS | sirene.rz.uni-duesseldorf.de. dns-2.dfn.de. dns-3.dfn.de. selene.rz.uni-duesseldorf.de. dns-1.dfn.de. |
| SOA | sirene.rz.uni-duesseldorf.de. hostmaster.uni-duesseldorf.de. 2026080701 3600 600 1814400 3600 |
| CAA | 0 issue "pki.dfn.de" 0 issuewild "harica.gr" 0 issue "telesec.de" 0 iodef "mailto:cert@hhu.de" 0 issue "harica.gr" 0 issue "sectigo.com" |
| DS | |
| DNSKEY | |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | |
| TLSA | |
| SSHFP |