Numa - a DNS resolver from scratch

· Users Rust Lang · April 13, 2026, 2:52 p.m.
DNS Rust software development Ad Blocking
Summary
Numa is a DNS resolver built in Rust that offers enhanced features like ad blocking and DNSSEC validation. It has evolved into a full iterative resolver and recently introduced request hedging to improve tail latency. The author shares insights into its development process and practical applications, including personal use on macOS and iPhone.
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