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Brandon Rozek

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PhD Student @ RPI studying Automated Reasoning in AI and Linux Enthusiast.

Configuring DHCP DNS in Pihole

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There are two scenarios I can imagine in where you want to configure the DNS set by PiHole

  1. You have multiple PiHole’s in your LAN
  2. You have a multi-layer DNS setup

In either case, we can utilize dnsmasq configurations in order to set the DNS option. You should already notice 01-pihole.conf and 02-pihole-dhcp.conf in /etc/dnsmasq.d, we’ll need to create one that is numbered 03-* or greater. I’ll use /etc/dnsmasq.d/03-dhcp-dns.conf as my example.

To set the initial DNS server to be from the router.

dhcp-option=6,192.168.0.1

To set multiple DNS servers

dhcp-option=6,192.168.0.2,192.168.0.3
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