Frostnerd.com
dnspipe - a Dns changer (No Root - IPv6)
FreeThis app is a dns changer which supports WIFI, mobile connections, Ethernet and IPv6...
AndroidNebulo - Dns over HTTPS/TLS (Early Access)
FreeWhen navigating to a website known by it's name, say example.com, your device ask specific servers - DNS servers - how to address the website.
Android