SDNS

High-performance recursive DNS resolver server with DNSSEC support, built for privacy.

Webfree

SDNS is a self-hosted recursive DNS resolver with full DNSSEC validation, built with privacy as a focus. It supports encrypted DNS over TLS, HTTPS, and QUIC, EDNS Client Subnet controls, DNS64 synthesis for IPv6-only clients, and attack-detection features, and is distributed as prebuilt binaries or Docker images for DNS operators who want a privacy-respecting resolver they control.

Website

Full match profile

Behind the summary, Matchbox keeps a richer profile of SDNS - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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