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Hosting & Network
uni-koeln.de runs on AS5520, with email configured.
- Hosting network
- AS5520AS5520
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 8 other sites on AS5520. Stable here since we started watching (Jul 28, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to gemini.rrz.uni-koeln.de.
DNS Records for uni-koeln.de
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| uni-koeln.de | A | 0 | 134.95.81.52 | |
| uni-koeln.de | NS | 0 | mail1.rrz.uni-koeln.de | |
| uni-koeln.de | NS | 0 | noc2.rrz.uni-koeln.de | |
| uni-koeln.de | NS | 0 | dns-1.dfn.de | |
| uni-koeln.de | NS | 0 | ns2.netcologne.de | |
| uni-koeln.de | MX | 0 | 5 | uzk-mail-in-v2.rrz.uni-koeln.de |
| uni-koeln.de | MX | 0 | 5 | uzk-mail-in-v1.rrz.uni-koeln.de |
| uni-koeln.de | SOA | 3600 | noc2.rrz.uni-koeln.de hostmaster.uni-koeln.de 2026072706 10800 3600 2419200 3600 | |
| uni-koeln.de | AAAA | 0 | 2a00:a200:0:2::80 | |
| uni-koeln.de | TXT | 0 | apple-domain-verification=NPadQczkP1xAfjol | |
| uni-koeln.de | TXT | 0 | MS=ms52477696 | |
| uni-koeln.de | TXT | 0 | cisco-ci-domain-verification=64ff69245d29ac9ceaa0b992ecd76b77594fe0d25edecf3ff8a66d9fd6b2ab2f | |
| uni-koeln.de | TXT | 0 | adobe-idp-site-verification=4aec6dd94028767a1112cc5f6e09e54597a8b368698e3090e7942e6ff298e732 | |
| uni-koeln.de | TXT | 0 | brevo-code:9aabfa1918b1ee91863be44df6d4b941 | |
| uni-koeln.de | TXT | 0 | google-site-verification=slKdECUuuJ-OuRi4ydQier-7Oj-2Tg_VJyA_kXlUPcU | |
| uni-koeln.de | TXT | 0 | apple-domain-verification=XscpNBzRkbfzubTd | |
| uni-koeln.de | TXT | 0 | v=spf1 ip4:134.95.0.0/16 ip4:109.69.68.140 ip6:2a00:a200::/48 include:agenturserver.de ?all | |
| uni-koeln.de | TXT | 0 | apple-domain-verification=fP2uzfO72ptimR1d | |
| uni-koeln.de | TXT | 0 | MS=3440AC9067529743C07C50066FE452F078A8500F | |
| www.uni-koeln.de | AAAA | 0 | 2a00:a200:0:2::80 | |
| www.uni-koeln.de | CNAME | 0 | gemini.rrz.uni-koeln.de | |
| www.uni-koeln.de | A | 0 | 134.95.81.52 |
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About DNS Records
DNS (Domain Name System) records are instructions that provide information about a domain, including its IP addresses, mail servers, and other services. Common record types include:
- SOA (Start of Authority) - Contains administrative information about the zone
- NS (Nameserver) - Specifies authoritative nameservers for the domain
- A (Address) - Maps a domain to an IPv4 address
- AAAA - Maps a domain to an IPv6 address
- CNAME (Canonical Name) - Creates an alias pointing to another domain
- MX (Mail Exchange) - Specifies mail servers for the domain