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My Own DNS Server at Home – Part 1: IPv4

5 days ago
https://jan.wildeboer.net/2025/08/My-DNS-Part-1/
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  • #BIND
  • #HomeLab
  • #DNS
  • The author sets up a DNS server at home using BIND to enhance digital sovereignty and ensure network functionality without internet.
  • The setup involves configuring BIND on a Raspberry Pi 4 to serve three networks: home IPv4, a second ethernet network, and a Podman virtual network.
  • Key configuration files include `/etc/named.conf` for general settings and zone files for forward and reverse DNS lookups.
  • Forward zone maps hostnames to IP addresses, while reverse zones map IPs back to hostnames, emphasizing the importance of correct syntax and serial number updates.
  • The author warns about the risks of using a custom TLD (`.jhw`) instead of the recommended `.internal` for local networks.
  • Instructions include installing BIND, configuring firewall rules, and detailed steps for setting up zone files with examples.
  • The post highlights common pitfalls like forgetting to increment serial numbers in zone files or omitting the trailing dot in hostnames.
  • After configuration, the DNS server is tested with `nslookup` to ensure correct resolution of hostnames and IPs within the home network.
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