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Hosting & Network
tsa.immobilien runs on AS13237 (multi-homed across 2 networks), with email configured.
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Enabled
- CAA pinning
- None
Sits alongside 1,027 other sites on AS13237. Stable here since we started watching (Jul 25, 2026).
The apex and www are the same hosting — the apex via A records, www via a CNAME to tsa.immobilien.
DNS Records for tsa.immobilien
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| tsa.immobilien | A | 0 | 81.209.248.241 | |
| tsa.immobilien | MX | 0 | 10 | mail.tsa.immobilien |
| tsa.immobilien | AAAA | 0 | 2001:7f0:3000:512::548:241 | |
| tsa.immobilien | SOA | 10800 | sec-dns01.nbgo.de info.tsa.immo 2025101402 10800 3600 1209600 10800 | |
| tsa.immobilien | TXT | 0 | v=spf1 +a +mx +a:hosting05.nbgo.de -all | |
| tsa.immobilien | NS | 0 | sec-dns01.nbgo.de | |
| tsa.immobilien | NS | 0 | pri-h05.nbgo.de | |
| www.tsa.immobilien | MX | 0 | 10 | mail.tsa.immobilien |
| www.tsa.immobilien | AAAA | 0 | 2001:7f0:3000:512::548:241 | |
| www.tsa.immobilien | A | 0 | 81.209.248.241 | |
| www.tsa.immobilien | NS | 0 | pri-h05.nbgo.de | |
| www.tsa.immobilien | NS | 0 | sec-dns01.nbgo.de | |
| www.tsa.immobilien | SOA | 10800 | sec-dns01.nbgo.de info.tsa.immo 2025101402 10800 3600 1209600 10800 | |
| www.tsa.immobilien | TXT | 0 | v=spf1 +a +mx +a:hosting05.nbgo.de -all | |
| www.tsa.immobilien | CNAME | 0 | tsa.immobilien |
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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