Various wimpy organizations, in the US at least, seem to be dumping web hosting and DNS service for wikileaks. Hosting was apparently moved to Switzerland but wikileaks.ch doesn't work either (no DNS resolution for it either, I guess).
Here's a URL for Wikileaks that works at the moment:
I don't have a carefully considered opinion but my gut reaction is that Wikileaks is doing journalism, and its publication of classified material that it obtains is probably protected. Some of those in government or the military who supply it with classified material seem likely to be guilty of some crime along the lines of mishandling classified information, but probably not espionage though I haven't read the relevant laws.
Some links of relevance:
The Guardian appears to have the most detail on the sex crime allegations against Assange.
A piece in the Atlantic from a pro-Wikileaks point of view.