What is the IP address of the Adobe web server as I want to repoint the domain name of my website from Regiser.com to the new live site I have uploaded from Muse to Business Catalyst?
You do not want to point to the Adobe server, BC does not do that.
You want to point to the right BC server in the right location you chose the site to be under.
Several places about this but here is one:
Retrieving data ...