. yu was the country code top -level domain ( ccTLD) of the Federal Republic of Yugoslavia or its successor State of Serbia and Montenegro 1994-2010. In 2007, Serbia and Montenegro have with. rs and. me their own top- level domains requested. Because of the availability of. Yu March 30, 2012 was set. Holder of a. Yu domain had previously the opportunity to secure their address in the range. Rs and. Me.