Generated: 2026-08-09T15:43:40-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| OK | IPv4 (A) | 30/30 | 3 IPv4 address(es) detected. |
| OK | IPv6 (AAAA) | 10/10 | 3 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. |
| 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 | 186 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| WARNING | HTTP security headers | 16/35 | 4 of 9 evaluated headers detected. |
| OK | PTR reverse DNS | 30/30 | PTR: dc2.tu-dortmund.de |
| OK | IPv4 diversity | 35/35 | 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 | 129.217.205.12 129.217.205.11 129.217.205.13 |
| AAAA | 2001:638:50d:202a::12 2001:638:50d:202a::11 2001:638:50d:202a::13 |
| CNAME | |
| MX | 10 esa3.itmc.tu-dortmund.de. 10 esa4.itmc.tu-dortmund.de. |
| TXT | "google-site-verification=lC7DdPPX34o9IW6Fu3VPyEWUJVWOFgJ-cmu4Gl-CDxo" "HARICA-bmk2WIA6C8c1EzkHyG6" "docusign=b3fe92af-ecbb-4be5-a240-d2eaa3469a0f" "adobe-idp-site-verification=3abae3246555f1134e1b6c8b2f8852728214ab60db683727bb86d17e00daafb3" "bw=vrCirunrnvC8weAAQY3xf2h0A77xWToIL59YJHIKSNDb" "MS=58A38069D5572941D477C5866498835FE30B0CB9" "_telesec-domain-validation=355015_2025-11-13_I72vZFoKGvUyVawuzQedhLrfxUnByw30lg9E96y3p9RO8A43bl" "v=spf1 ip4:93.190.66.6 ip4:129.217.0.16 ip4:129.217.4.40 ip4:129.217.128.0/24 ip4:129.217.131.0/24 ip4:195.66.99.135 ip4:62.75.247.44 ip4:212.227.89.57 ip4:217.160.226.166 ip4:82.165.193.1 ip4:85.25.144.9 ip4:54.194.192.132 ip4:87.79.30.25 ip4:87.79.30.30" " ip4:91.217.141.0/24 ip4:128.176.118.0/25 ip4:129.217.231.64/26 ip4:185.134.242.25 ip6:2001:638:50d:1301::10 ip6:2001:638:50D:2000::/64 ip4:77.220.249.219 ip4:129.217.255.0/25 include:spf-eu.exlibrisgroup.com include:spf.crsend.com ip4:95.130.22.100 ip6:2" "a02:2940:0:c007::100 -all" "apple-domain-verification=bENlU0mSxvfZqD6w" "MS=ms16408126" |
| NS | dns-3.dfn.de. ns1.itmc.tu-dortmund.de. secondary.rrze.uni-erlangen.de. ns2.itmc.tu-dortmund.de. |
| SOA | ns0.itmc.tu-dortmund.de. hostmaster.tu-dortmund.de. 596682063 21600 3600 1728000 10800 |
| CAA | |
| DS | |
| DNSKEY | |
| RRSIG | |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | 100 10 "s" "x-eduroam:radius.tls" "" _radsec._tcp.eduroam.de. |
| TLSA | |
| SSHFP |