The issue was reported in 2013-02-02 in http://torrentfreak.com/pirate-bay-could-not-connect-to-caching-server-00-130130/
and issues have been found all worldwide and its today again.
Hope, to get back www.thepiratebay.sx soon.
Update:
08/13/2013 19:33 Upgrading software, please check back in some minutes.
08/13/2013 - 19:37 www.thepiratebay.sx is fully back.
Welcome back!
