ExternalDNS vs Pi-hole
A side-by-side comparison of two self-hosted reverse proxy & gateways options — licensing, setup difficulty, resource needs, and what each one replaces.
Not the right match-up?
ExternalDNS
Synchronize Kubernetes services with DNS providers
VS
Pi-hole
Blackhole for Internet advertisements with a GUI for management and
| Feature | ExternalDNS | Pi-hole |
|---|---|---|
| Category | Reverse Proxy & Gateways | Reverse Proxy & Gateways |
| License | Apache-2.0 | EUPL-1.2 |
| Language | Go | Shell |
| Setup difficulty | Medium | Medium |
| Min. RAM | 128 MB | 512 MB |
| Deployment | kubernetes, helm | docker |
| GitHub stars | ★ 9,058 | ★ 60,247 |
| First released | 2017 | 2026 |
| Replaces | Route 53 manual records | — |
Why pick each one
Choose ExternalDNS if…
- Released under the Apache-2.0 license
- Kubernetes-ready with Helm charts available
- Mature project with 9.1k GitHub stars
- Written in Go
Choose Pi-hole if…
- Released under the EUPL-1.2 license
- First-class Docker support for quick deployment
- Mature project with 60.2k GitHub stars
- Written in Shell
Frequently asked questions
Is ExternalDNS or Pi-hole better?
Neither is universally better. Pi-hole has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.
Are ExternalDNS and Pi-hole free and open-source?
Yes. ExternalDNS is licensed under Apache-2.0 and Pi-hole under EUPL-1.2. Both can be self-hosted at no software cost.
Can I run ExternalDNS and Pi-hole with Docker?
ExternalDNS: check the project docs for container support. Pi-hole: yes.