I run it on a real Pi, a very old model B. One cpu core, little memory, yet it runs fast and even the web interface is plenty snappy.

My setup is on a cheap thin client, buying a pic is too expensive :)

I mainly use pihole for ease of setting up and its user interface. I’m using knot-resolver for upstream queries and knot for local zones.

I’ve started to read up on dnstap to see if I can emulate some of the pihole statistics but pihole is still good enough.