To add a domain to a server you need to do the following:
1. Go to Websites > Domains and press New Domain button
2. Choose the server you added in previous setup and enter domain name with the following format: example.com. Press Create button.
3. The page will be reloaded. After that, you will be prompted to update the domain settings. The only required field is the Source Domain where you need to paste the URL for the domain you want to clone. After that press Update domain button.