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bau-um.com

DNS Records

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Hosting & Network

bau-um.com runs on Hetzner, with email configured.

Hosting network
HetznerAS24940Hetzner
Managed DNS
Self-hosted / other
Email
Configured
IPv6 (AAAA)
Not enabled
CAA pinning
None

Sits alongside 4,999+ other sites on Hetzner. Stable here since we started watching (Jul 23, 2026).

The apex and www are the same hosting — the apex via A records.

DNS Records for bau-um.com

HostnameTypeTTLPriorityContent
bau-um.comTXT0v=spf1 include:_spf.barum.de a mx ~all
bau-um.comMX010mailin.barum.de
bau-um.comNS0ns2.namesecure.de
bau-um.comNS0ns1.namesecure.de
bau-um.comSOA28800ns1.namesecure.de hostmaster.namesecure.de 2022121701 14400 3600 604800 28800
bau-um.comA05.9.51.214
www.bau-um.comA05.9.51.214

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Uptime

We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.

DNS changes

We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.

TLS certificate

We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.

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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