thats wierd, it's up for me here in the US. As far as i'm aware it isn't restricted anywhere.. china maybe because they are twats about internet porn, but the rest of the world is pretty normal.
try this
http://www.xmoonproductions.com/download/also try cleaning your dns cache, CCleaner makes that pretty easy.
If that doesn't work try using a vpn, maybe it is restricted where you are or on your local IP. where in the world are you?