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mosdns

Flexible plugin-based forwarding DNS server

Reverse Proxy & Gateways ★ 3.8k stars Medium setup GPL-3.0

mosdns is a self-hosted, plugin-driven DNS forwarder that lets you build custom DNS resolution pipelines for filtering, splitting and caching queries. It runs as a single cross-platform binary.

Official siteSource code

Key features

  • Plugin-based DNS pipeline
  • Query filtering and splitting
  • Caching
  • Single binary

Strengths

  • Released under the GPL-3.0 license
  • First-class Docker support for quick deployment
  • Active community (3.8k GitHub stars)
  • Written in Go

Is mosdns secure?

OSV.dev has no published security advisories for mosdns's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

Source: OSV.dev, checked 2026-10-14. How this is measured.

mosdns replaces

Self-hosted AdGuard DNS alternatives

Health badge

Maintain mosdns? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 63 · good

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<a href="https://selfhostindex.com/app/mosdns/"><img src="https://selfhostindex.com/badge/mosdns.svg" alt="SelfHostIndex health score for mosdns"></a>
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   :alt: SelfHostIndex health score for mosdns
   :target: https://selfhostindex.com/app/mosdns/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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