TomP2P will be used for the Challenge Task organized by Prof. Dr. Burkhard Stiller, Fabio Hecht, and Guilherme Machado, from the University of Zurich. The task is to implement a P2P DNS with the following requirements: Peers will collaborate to provide an independent DNS resolver, that is, every peer must listen on port 53 and “speak” DNS. No authority may be present, that is, the system will suffer no influence from ICANN or governments. Conflicts must be solved by the peers themselves (for example, using voting or a web of trust). Assumptions must be made regarding who has the right to use which name. According to the assumptions made, it must not be easy for a peer to hijack a domain name it has no right to, although more complex attacks don’t have to be considered.