Originally Posted by ANMMark
I think it's personally a great idea to do this.
However, I think it should be used ONLY if your main site is down. I think you should have a standard support center in place, on the same domain, and only direct to the alternative, should something make the standard support unavailable.
Actually I correct myself, I had a brain fart for a minute
I didn't think about it from this point of view, when you update your domain to redirect it is almost instant, correct?