To update the custom name server in the client area, perform the following steps:1.
Log into the client area at https://billing.cynet.com.my/client/2.
Go to Domains > Manage Domains3.
Find the domain and Select More Option > Manage Nameservers
4. Select option "Use custom nameservers (enter below)"
5. Fill in the name server details from your hosting provider and click "Change Nameserver" button.