This video demonstrates how to update your nameservers at Netfirms.com 

Who is this video for?:  If you have a domain name registered through Netfirms.com (the domain provider), and want to update nameservers, this video will show you how to.
 

Steps:
1.  Visit www.netfirms.com 
2.  Click the "Control Panel" link at the upper right-hand corner of your screen to sign-in to your account. 
3.  Log-in with your username and password, then click "Log In." 
4.  Click "Edit Domains" on the right, located under the Shortcuts heading. 
5.  Under the Domain column, click on the domain name you wish to manage, then click "Nameservers." 
6.  Click "Use different name servers," enter the new nameservers, and click "Save." 
7.  Congratulations!  The domain name’s nameservers have been successfully updated.  Please note that it can take up to 24 hours for your new nameservers to propagate and be recognized across the internet.