The Knot DNS project is primarily sponsored by CZ.NIC. In order to keep sustainable development and increasing project quality, we offer several professional support programmes. This form of commercial support allows additional project sponsorship but also to get guaranteed user support, which usually is necessary if the Knot DNS software is deployed in critical environment.

If you are interested in the support programmes, please contact us via

Also we offer community user support, which is for free on a best-effort basis. Users can choose a suitable support channel: