Only reseller package can have their private name server. Please register the Private Name Server first before proceed the step as below. For register the private name server, kindly consult your domain registrar.
(1) Log into the reseller account
(2) Click on your Hosting plan
(3) Select the Name Servers under the Settings
(4) Select the "Override Host Setting" and insert the Name Server in Name Server Column.
(5) Click Save