How to Change the DNS on Yahoo Hosting (4 Steps)

Browse to the Yahoo Business Control Panel (link in Resources) and sign in with your Yahoo username and password.
Click on “Manage My Services,” then on “Domain Control Panel.” If you have more than one domain associated with your Yahoo account, you will see separate Domain Control Panel options for each entry.
Click on “Manage Advanced DNS Settings,” then on “Change Name Servers” to bring up the DNS control panel.
Delete the existing entries in the primary and secondary server name fields, and add the host names of the servers you want to use. Click “Submit” to save your changes.
VPS Hosting