At the moment we have a primary and a secundairy DNS. In case our internetconnection should cause troubles, we want to redirect our customers to a another webserver (different location) which for example displays a temp webpage.
Could this be done by using a 3rd DNS server located in a different area using a different zone-file?
I guess not because the secundairy dns'ses need to be exact the same as the primary. But is there some other way to do this?