If you purchased additional domains to host in your existing account, please use the steps below. This tutorial only for WordPress Hosting, cPanel Hosting, Directadmin and Semi-Dedicated Hosting only.
1) Login to Client Area -> Domains -> My Domains
2) Click on the Manage Domain as shown below:

3) Click on Manage Assignment as shown below:

4) Please select which hosting plan to assign to:

5) Done. Please allow a few hours for dns propagation. If is a .my domain, you may need to open a support ticket to change the nameserver as MYNIC did not provide any API to change the nameserver.
1) Login to Client Area -> Domains -> My Domains
2) Click on the Manage Domain as shown below:

3) Click on Manage Assignment as shown below:

4) Please select which hosting plan to assign to:

5) Done. Please allow a few hours for dns propagation. If is a .my domain, you may need to open a support ticket to change the nameserver as MYNIC did not provide any API to change the nameserver.
Updated on: 16 / 08 / 2020