| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| macOS | Yes | Yes |
| Linux | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 1 |
| Spec score · DNS Server Software | 7.7 (#9) | 7.3 (#19) |
| Deployment | The software can be compiled and run on most UNIX-like systems, including Linux, BSD, and macOS. | The maker provides source-install instructions and says it does not provide binary packages, though packages are available for several Linux distributions. |
| Headquarters | Prague, Czech Republic | Diegem, Belgium |
| License | The current documentation states that Knot DNS is licensed under GNU GPL version 2.0 or later. | YADIFA is open-source software distributed under the BSD 3-clause license. |
| Maker | The project is primarily sponsored by CZ.NIC, and its contact page lists the organization’s address in Prague, Czech Republic. | YADIFA was developed by the people behind the .eu top-level domain and EURid lists its headquarters in Diegem, Belgium. |
| Support | Free community support is available on a best-effort basis through a mailing list, chat, and issue tracker; professional support programmes are also offered. | The contact page provides separate email addresses for general information and bug reports. |