| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Linux | — | Yes |
| API | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · DNS Server Software | 7.7 (#8) | 7.6 (#13) |
| Purpose | djbdns is a collection of tools for DNS caching, serving, client lookups, and debugging. | Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing client-side software. |
| Support | The maker points users to the dns mailing list and says third-party commercial support is available. | The project is maintained by volunteer developers and accepts donations, issue reports, feature suggestions, and pull requests. |
