There is more than one artist with this name:
1) Mordor (Switzerland) - black/funeral doom metal band, which was formed in 1990 by Scorh Anyroth and Dam Gomhory. They've released two demos called "Odes" and "Csejthe" and also one 7'' picture disc called "Dark is the Future". Check out on Mordor[SWI]@Myspace and Mordor[SWI]@Facebook.
The band is currently working on the new album. They are also working on the Split with Bunkur.
2) Mordor (Poland) - doom/progressive metal band from 90s. Read more on Last.fm