If you’re not familiar with how DNS works, I recommend reading Marco Chiappetta’s article about how to speed up your DNS. If it still sounds complex, there’s a comic series that explains how DNS works ...
I currently have two servers on my home network: One is a Raspberry Pi that provides VPN (via OpenVPN) and DNS/DHCP (via Dnsmasq). The other is a 2011 MacBook Air that serves as a Plex media server, ...
Some gadgets have found a workaround that bypasses Pi-hole.