dnssec

Technitium DNS Server is an authoritative and recursive DNS server with built-in ad blocking, offering enterprise-grade features like DNSSEC, DNS-over-HTTPS, and comprehensive zone management.

Unbound is a validating, recursive, and caching DNS resolver designed for security, speed, and reliability with built-in DNSSEC validation and modern DNS features.

Knot DNS is a high-performance authoritative-only DNS server designed for speed, reliability, stability and security with advanced DNSSEC capabilities and modern DNS features.