While self-hosting reduces the number of requests to upstream, it does not completely solve the problem (since OP still needs to forward requests to an upstream DNS). Do you have any suggestions for that?
Unbound can be configured to make requests directly to the DNS “root server” . These should not be censored. The guide linked by surfbum explains this accordingly.
As for DNS Benchmarking: I used a Shell Script to check the performance of my pi hole. I got that from github, just look for “dns benchmark github” and you’ll find tons of script in all languages people wrote.
Apparently ChatGPT is really good as a personal tutor. You can ask it specific questions and it will answer with detailed tutorials and step-by-step guides.
If you can, find another old computer that still works, maybe replace the mechanical hard drive with a solid state drive and install Linux Mint or even the new Debian 12. I have Debian running on an old computer with an Intel i5-2500k processor and it is rock solid. As far as learning linux, I recommend www.learnlinux.tv as a starting point. Jay is very good at explaining.
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