Hi Juraj
Thanks for the fast response. I have seen that article. It is good from a high level conceptual view but some of the implementation details are still a little unclear. For example we will have a single MVC application with the same code base managing the URLs. So that means for routing to the admin URL we will have a single key in the web.config with an entry like:
<add key="MVCAdminUrl" value="https://www.domain.com/Kentico12_Admin" />
If the admin URL for all the sites point to the same domain how is it going to know which site is going to be administered?