C library for asynchronous DNS resolution without blocking.

Validating recursive caching DNS resolver daemon with DNS-over-TLS/HTTPS support, written in C.

mDNS/DNS-SD service discovery daemon and client library for local network service advertisement and discovery.

DNS library in C with DNSSEC support and high-level packet manipulation API.

Lightweight DNS forwarder and DHCP server for small networks, written in C.