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Hosting & Network
posteo.at runs on AS8495, with email configured.
- Hosting network
- AS8495AS8495
- Managed DNS
- Self-hosted / other
- Configured
- IPv6 (AAAA)
- Enabled
- CAA pinning
- Set
Sits alongside 151 other sites on AS8495. Stable here since we started watching (Jul 20, 2026).
The apex and www are the same hosting — the apex via A records.
DNS Records for posteo.at
| Hostname | Type | TTL | Priority | Content |
|---|---|---|---|---|
| posteo.at | CAA | 0 | 0 issuewild d-trust.net | |
| posteo.at | CAA | 0 | 0 issuewild geotrust.com | |
| posteo.at | CAA | 0 | 0 iodef mailto:hostmaster@posteo.de | |
| posteo.at | CAA | 0 | 0 issue geotrust.com | |
| posteo.at | CAA | 0 | 0 issue certum.pl | |
| posteo.at | CAA | 0 | 0 issue d-trust.net | |
| posteo.at | AAAA | 0 | 2a05:bc0:1000::169:1 | |
| posteo.at | AAAA | 0 | 2a05:bc0:1000::168:1 | |
| posteo.at | SOA | 3600 | ns01.posteo-dns.de hostmaster.posteo.de 1784509257 3600 900 3542400 3600 | |
| posteo.at | MX | 0 | 10 | mx03.posteo.de |
| posteo.at | MX | 0 | 10 | mx01.posteo.de |
| posteo.at | MX | 0 | 10 | mx04.posteo.de |
| posteo.at | TXT | 0 | v=spf1 redirect=posteo.de | |
| posteo.at | TXT | 0 | 84944eaf2fa3496cc8b73383c39b0046330432b19e3400ce8c21052b09194db | |
| posteo.at | NS | 0 | nordic.excedodns.net | |
| posteo.at | NS | 0 | ns01.posteo-dns.de | |
| posteo.at | NS | 0 | emea.excedodns.eu | |
| posteo.at | NS | 0 | ns02.posteo-dns.de | |
| posteo.at | NS | 0 | global.excedodns.com | |
| posteo.at | NS | 0 | world.excedodns.org | |
| posteo.at | NS | 0 | sto.excedodns.se | |
| posteo.at | A | 0 | 185.67.36.168 | |
| posteo.at | A | 0 | 185.67.36.169 | |
| www.posteo.at | AAAA | 0 | 2a05:bc0:1000::169:1 | |
| www.posteo.at | AAAA | 0 | 2a05:bc0:1000::168:1 | |
| www.posteo.at | A | 0 | 185.67.36.169 | |
| www.posteo.at | A | 0 | 185.67.36.168 |
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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