# Public documentation # ![Zonemaster][Zonemaster-logo] Zonemaster is a software package that validates the quality of a DNS delegation. The ambition of the Zonemaster project is to develop and maintain an open source DNS validation tool, offering improved performance over existing tools and providing extensive documentation which could be re-used by similar projects in the future. Zonemaster consists of several modules or components. The components will help different types of users to check domain servers for configuration errors and generate a report that will assist in fixing the errors. Zonemaster consists of several modules or components. The components will help different types of users to check domain servers for configuration errors and generate a report that will assist in fixing the errors. Zonemaster is developed by [Afnic] and [The Swedish Internet Foundation]. A public instance is running on [zonemaster.net]. The public documentation is divided into the following main categories: * [Release information](RELEASE.md) gives release information of latest release. * [Installation](installation/README.md) contains documents that explain how to install the different components of Zonemaster. * [Upgrading](upgrading/README.md) contains documents that explain how to upgrade a Zonemaster installation. * [Configuration](configuration/README.md) contains documents that explain how a Zonemaster installation can be configured. * [Using](using/README.md) contains user guides to the different components of Zonemaster. * [Specifications](specifications/README.md) contains specifications of the Zonemaster test cases, test types and test zones. * [Development](development/README.md) contains information for developers both in and outside the Zonemaster project. * [License](LICENSE.md) gives the license information for Zonemaster. [AFNIC]: https://www.afnic.fr/en/ [The Swedish Internet Foundation]: https://internetstiftelsen.se/en/ [Zonemaster.net]: https://zonemaster.net [Zonemaster-logo]: ../zonemaster_logo_2021_color.png