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blocky

Privacy & Ad-blocking

DNS proxy and ad‑blocker for local networks written in Go

Go Latest v0.33.0 · 26d ago Security brief →

Features

  • Blocks DNS queries using customizable allow/deny lists with regex support
  • Advanced DNS configuration: custom resolution, conditional forwarding, per‑group upstream resolvers
  • Performance enhancements: caching, prefetching, parallel resolver usage, low memory footprint
  • Supports multiple DNS protocols (UDP/TCP, DoH, DoT, DoQ, DoH3)
  • Security features: DNSSEC validation, privacy‑preserving random upstream selection, configurable blocking lists

Recent releases

View all 6 releases →
No immediate action
v0.33.0 Mixed

CLI stats, dnstap, DNSSEC fix, ECS adjust, deps bump

Review required
v0.32.1 Bug fix
Auth

DNSSEC validation fixes

Upgrade now
v0.32.0 Mixed
Crypto / TLS

Rule log, sharded cache, config merge, list cache, query ignore,

patches GHSA-x845-2f78-7v36 patches GO-2026-5745
Open
Review required
v0.31.0 New feature
Auth RBAC

Config validation, SQLite log, IP_FREEBIND, schema generation, deps bump

Upgrade now
v0.30.0 New feature
Dependencies

DoQ, DoH3, ARPA, schedule blocking, deps

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About

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Go Makefile Dockerfile

Install & Platforms

Install via
docker binary
Platforms
linux macos windows arm64

Beta — feedback welcome: [email protected]