Generated: 2026-08-09T00:48:18-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| OK | IPv4 (A) | 30/30 | 1 IPv4 address(es) detected. |
| OK | IPv6 (AAAA) | 10/10 | 1 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 | 2 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 | 75 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| WARNING | HTTP security headers | 12/35 | 3 of 9 evaluated headers detected. |
| OK | PTR reverse DNS | 30/30 | PTR: gemini.rrz.uni-koeln.de |
| WARNING | IPv4 diversity | 20/35 | Two or more IPv4 addresses receive full points. |
| OK | IPv6 connectivity | 35/35 | AAAA availability. |
| OK | DNS resolution | 40/40 | At least one address family must resolve. |
| OK | HTTP response | 40/40 | HTTP/2 200 |
| OK | HTTPS final URL | 20/20 | Final URL uses HTTPS. |
| Tipo | Values |
|---|---|
| A | 134.95.81.52 |
| AAAA | 2a00:a200:0:2::80 |
| CNAME | |
| MX | 5 uzk-mail-in-v2.rrz.uni-koeln.de. 5 uzk-mail-in-v1.rrz.uni-koeln.de. |
| TXT | "apple-domain-verification=fP2uzfO72ptimR1d" "apple-domain-verification=XscpNBzRkbfzubTd" "v=spf1 ip4:134.95.0.0/16 ip4:109.69.68.140 ip6:2a00:a200::/48 include:agenturserver.de ?all" "apple-domain-verification=NPadQczkP1xAfjol" "cisco-ci-domain-verification=64ff69245d29ac9ceaa0b992ecd76b77594fe0d25edecf3ff8a66d9fd6b2ab2f" "MS=ms52477696" "brevo-code:9aabfa1918b1ee91863be44df6d4b941" "adobe-idp-site-verification=4aec6dd94028767a1112cc5f6e09e54597a8b368698e3090e7942e6ff298e732" "MS=3440AC9067529743C07C50066FE452F078A8500F" "google-site-verification=slKdECUuuJ-OuRi4ydQier-7Oj-2Tg_VJyA_kXlUPcU" |
| NS | ns2.netcologne.de. dns-1.dfn.de. noc2.rrz.uni-koeln.de. mail1.rrz.uni-koeln.de. |
| SOA | noc2.rrz.uni-koeln.de. hostmaster.uni-koeln.de. 2026080703 10800 3600 2419200 3600 |
| CAA | |
| DS | |
| DNSKEY | |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | 51 10 "S" "SIP+D2T" "" _sip._tcp.uni-koeln.de. 100 10 "s" "x-eduroam:radius.tls" "" _radsec._tcp.eduroam.de. 52 10 "S" "SIP+D2TU" "" _sip._udp.uni-koeln.de. 50 10 "S" "SIPS+D2T" "" _sips._tcp.uni-koeln.de. |
| TLSA | |
| SSHFP |