Show HN: I built a DNS resolver from scratch in Rust – no DNS libraries
Summary
Show HN article presenting numa, a portable DNS resolver built from scratch in Rust with zero libraries. It emphasizes a single binary (~8MB) that supports ad blocking, local domains, and optional recursive DNS with DNSSEC validation, plus various deployment and LAN discovery features. Useful for developers exploring from-scratch DNS tooling and IT admins evaluating self-contained DNS solutions for local networks.