I multi-store 1.9.1 with three current stores. I have Site-A.com, Site-B.com, Site-C.com, running its on a Godaddy VPS. I own the url Site-D.com also, which redirects to Site-C.com. So that's A, B, C running stores, with domain name D pointing back to C
I want to swap out the domain name Site-C.com with Site-D.com. Just a pure and simple swap. I can add a fourth store view in Mage, but am wondering if just changing the URLs in the System>Config would be easier.
How exactly should I handle the files on the server? Just tell any traffic visiting Site-A.com to mask the domain to show the Site-B.com url, or should I add a new store view and that is all?