First of all, just in case you are asking What are nameservers? Now that is out of the way.
To make DNS changes at Stargate.com, log in to your account and follow this guide.
1. Select the domain you wish to modify and click ‘Edit Domain Info’.
2. Select the ‘Name Server’ tab.
3. Enter your new nameservers in the ‘Primary and Secondary Name Server’ fields.
4. Enter your IP address in the ‘Primary and Secondary IP Address’ fields.
5 Click ‘Update Name Servers’ to submit your changes.
Note: You need to enter a minimum of 2 nameservers.
Warning: Do not enter your IP address; this will cause problems.
Remember, it can take up to 72 hours for the changes to take effect.