There are 2 repositories under dns-sinkhole topic.
The Official Installer of AdGuardHome for Asuswrt-Merlin
DNS Hole is a network-level advertisement and Internet tracker blocking tool which acts as a DNS sinkhole.
Minimal Ubuntu Server Deployment with Unbound and Unblock-Adblock
Transform your Raspberry Pi into an enterprise-grade DNS firewall that eliminates ads, trackers, malware, and telemetry across all devices. Complete setup guide with Pi-hole, Unbound recursive DNS, encrypted DoH fallback, and premium blocklists for maximum privacy and security.