http://o54hon2e2vj6c7m3aqqu6uyece65by3vgoxxhlqlsvkmacw6a7m7kiad.onion/en/help/pfsense-with-wireguard
They also have several blocklist filtered DNS options for blocking ads, trackers, malware, adult content and gambling websites. In this guide we will use the unfiltered DNS. If you want to use all the filters then enter 100.64.0.31 .