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Open source alternatives to Cloudflare DNS

We track 2 open-source Cloudflare DNS alternatives, of which 2 currently score 70 or above on Repoly's GitHub health scale and 2 ship a Docker image. Technitium DNS Server leads on health at 96/100 with 81 commits in the last 90 days; across all 2 projects you are choosing between Apache-2.0, GPL-3.0.

2
Alternatives
17k
Combined stars
174
Commits / 90 days
2
With Docker
Licence family Licence

Showing 2 of 2 tools

All 2 Cloudflare DNS alternatives, ranked by health

  • blocky

    95 GOOD

    Fast and lightweight DNS proxy as ad-blocker for local network with many features (alternative to Pi-hole).

    ★ 6.9k · ⟳ today · v0.35.0 · Apache-2.0

    DockerGo
    Website ↗ Source ↗

Cloudflare DNS alternatives: common questions

What is the most maintained open source alternative to Cloudflare DNS?

Technitium DNS Server scores highest at 96/100, with 81 commits in the last 90 days, 9.9k GitHub stars and its latest release (v15.4.0) published 2 months ago. blocky has the most raw commit activity at 93 commits in 90 days.

Which Cloudflare DNS alternatives use a permissive licence?

1 of 2 are permissively licensed (MIT, Apache, BSD or similar): blocky (Apache-2.0). 1 use copyleft licences such as GPL or AGPL, which require you to publish changes if you distribute a modified version.

Which Cloudflare DNS alternatives run in Docker?

2 of 2 publish a Docker image or Compose file: Technitium DNS Server, blocky. Docker support contributes 10 of the 100 available health points, because it is the clearest signal that self-hosting is a supported path rather than an afterthought.