With this machine in hand, could l possibly go about experimenting with the DNS ?
Oh. My. Fucking. GOD. YES WITH THAT FUCKING MACHINE! The one you linked in the opening post. The one you've linked in almost every post you've made. That machine.
Five fucking seconds of Google. Five seconds. Could have gotten you that answer. "hardware requirements for PiHole"
The name should give it away, it was originally made to run on Raspberry Pi boards with less resources than what you have.
Just search it up and fucking try it already.
Congrats, I'm blocking your dumb ass. I don't particularly dislike teaching/helping, but this has reached multiple levels beyond the absurd.