Nope. I work for a large web site and know that this can all be done on the fly. The heavyweight companies usually stage "development servers" in build stages (usually by due dates, the company I work for does it every week) to test for quality control with code and then switch over to our live environment.
If it's down, that means it was taken down. I honestly was surprised they even put up an apology for the inconvenience as opposed to leaving the directory empty which would result in a 404 error page.
Sulja is a shell now with a CEO message, Kore is down, Consultech is down. Loftwerks is still up. VGIC.biz is a shell.
My initial guess is that they're trying to delete, unfortunately... the good news is that everything is still retrievable through ISP, Google Search (cached pages), and Archive.org ...
I don't want to be an alarmist, but the disappearing content isn't giving me any warm fuzzy feelings.
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