what "stuff" are you talking about?
if you want to do some pirating you need a decent VPN, like Mullvad or Proton, that you run on your system (Android/Linux/Windows/iOS), not some random leaky and dubious browser add-on
dunno why dafuq you're mentioning configuring a webserver (with SWAG) to point the DNS records (A and CNAME). the VPN will act as a proxy for you. but maybe i'm just way out of my depth here...
it might help if first you tell us what exactly are tou trying to achieve
there is a fork with proprietary dependencies removed called Signal-FOSS, whose repo you can add to F-Droid if you decide to trust it