Website A is the main website with hundreds of pages. Website B contains 8 replacement (promotional) pages and should be live for a few months. Website B homepage should replace Website A homepage for this period. All the pages except the 8 replacement pages should be available online. Website B will contain links to subpages of Website A.
Website A currently on Sharepoint 2010 and Website B will be WordPress – these can live on the same server or different servers.
Is it possible to have the DNS point to the homepage of Website B while the webpages of Website A is still accessible. When the user types in www.example.com they should no longer land on the homepage of Website A but on the homepage of Website B. If they click on the links on homepage Website B they should be able to access the relevant pages on Website A.