Few days ago we had an accident with one of Russia's most popular bittorrent tracker site, torrents.ru. A domain was undelegated from DNS servers by request of our agencies.
While, in an official agreement, that accepted by both sides(registrar and registrant) when a new .ru domain is registered there is a note about "Registrator may not interact with conflicts a registrant may have with 3rd parties."
In this case it were two companies, complained about "torrents.ru...