WIKILEAKS has been taken offline after its domain host EveryDNS.net terminated the whistleblower website's account.
"WikiLeaks.org domain killed by US everydns.net after claimed mass attacks," WikiLeaks tweeted, after its website went offline for the third time in a week.
EveryDNS.net said in a statement on its website it had terminated services to WikiLeaks, which it had hosted for four years.
"EveryDNS.net provided domain name system (DNS) services to the wikileaks.org domain name until 10pm EST, December 2, 2010, when such services were terminated."
It did not give any reasons for the termination, which comes amid massive controversy for WikiLeaks. On Sunday it began releasing 250,000 US diplomatic cables in its biggest leak so far, angering leaders across the globe.
WikiLeaks will now need to register wikileaks.org - which it owns until 2018 - with another domain host in order to get its site up and running again.
The outage came after Amazon.com Inc. announced yesterday it would no longer host WikiLeaks from its web servers because the site violated its terms of service.
The latest development comes the law closes in on Julian Assange.
Swedish authorities won a court ruling yesterday in their bid to arrest the WikiLeaks founder for questioning in a rape case, British intelligence is said to know where in England he's hiding, and US pundits and politicians are demanding he be hunted down or worse.
Sweden's Supreme Court upheld an order to detain him - a move that could lead to his extradition.
Earlier, posts on WikiLeaks' website detailed a host of embarrassing disclosures, including allegations that Italian Prime Minister Silvio Berlusconi accepted kickbacks and a deeply unflattering assessment of Turkmenistan's president.
Assange is accused in Sweden of rape, sexual molestation and coercion in a case from August, and Swedish officials have alerted Interpol and issued a European arrest warrant to bring him in for questioning.
The 39-year-old Australian denies the charges, which his lawyer, Mark Stephens, said apparently stemmed from a "dispute over consensual but unprotected sex". Mr Stephens said the case is turning into an exercise in persecution.
While Assange has not made a public appearance for nearly a month, his lawyer insisted authorities know where to find him.
"Both the British and the Swedish authorities know how to contact him, and the security services know exactly where he is," Mr Stephens said.
It was unclear if or when police would act on Sweden's demands. Police there acknowledged yesterday they would have to refile their European arrest warrant after British authorities asked for more details on the maximum penalties for the three crimes.
Scotland Yard declined comment, as did the Serious and Organised Crime Agency, responsible for processing European arrest warrants for suspects in England, where The Guardian claims Assange is hiding out.