- Plesk 12.5 for Linux
Domain example.com that is assigned to a dedicated IP in Plesk shows the content of the other domain that is hosted on a different server.
There is the same IP added on a different server.
Login to different server and make sure there are no any domains hosted on an IP in question. If there is a domain, re-assign it to different IP
Remove an IP from different server
On an affected Plesk server, remove IP and add it anew