For a $15 pi zero and a hour of your time you can build your own.
Full build guide:


Untraceable Digital Dissident
ZeroSentinel Nano: Build Your Own Private DNS and NTP Server on a Pi Zero
Turn a Raspberry Pi Zero into a hardened local DNS resolver and trusted NTP server using Unbound, Chrony, and a locked down firewall. This step by ...
So my old fullnode has now a New purpose (DNS).
Adguard and Wireguard run on a different machine which i operated already before the raspberry