How do setup my own Private DNS?

Hosting your own PrivateDNS for Android?

How do you run your own DNS for privateDNS for Android?

I am currently using OPNsense with unbound for my DNS. My wireguard vpn is also on OPNsense.

I have LSIO Swag for my reverse proxy with Let's Encrypt and CloudFlare for my SSL and DNS.

Docker compose for my containers.

Can Pi-Hole, Ad Guard Home, Technitium be used as and entry for PrivateDNS on android?