SHSelfHostIndex

Blocky

Fast DNS proxy and ad-blocker for local networks

Reverse Proxy & Gateways ★ 7k stars Easy setup Apache-2.0

Blocky is an open-source DNS proxy and ad-blocker written in Go for local networks. It filters queries against blocklists, supports DNS over HTTPS, and is designed to be self-hosted on small hardware.

Official siteSource code

Key features

  • Blocklist-based filtering
  • DNS over HTTPS and TLS
  • Prometheus metrics
  • Tiny footprint

Strengths

  • Released under the Apache-2.0 license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Mature project with 7k GitHub stars

Is Blocky secure?

OSV.dev has no published security advisories for Blocky'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.

Blocky replaces

Self-hosted Pi-hole alternativesSelf-hosted AdGuard Home alternatives

Health badge

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

SelfHostIndex: 91 · excellent

Markdown
[![SelfHostIndex health score for Blocky](https://selfhostindex.com/badge/blocky-dns.svg)](https://selfhostindex.com/app/blocky-dns/)
HTML
<a href="https://selfhostindex.com/app/blocky-dns/"><img src="https://selfhostindex.com/badge/blocky-dns.svg" alt="SelfHostIndex health score for Blocky"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/blocky-dns.svg
   :alt: SelfHostIndex health score for Blocky
   :target: https://selfhostindex.com/app/blocky-dns/

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

Compare Blocky

3 head-to-head comparisons.

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