DNS

Public DNS resolvers and DNS filtering tools for faster, safer, and more private internet browsing.

Fast, free, and privacy-focused public DNS resolver with built-in security and global anycast network.

Google's free public DNS resolver (8.8.8.8) — the most widely used DNS service in the world, with fast response times and global infrastructure.

DNS-based security filtering service by Cisco with built-in protection against phishing, malware, and content filtering for families and enterprises.

Self-hosted DNS sinkhole that blocks ads and trackers at the network level. Works on Raspberry Pi or any Linux server.