Having problems with server IP.

Hi there!
I have a question about website hosting using Windows VPS. I have been using Shared Hosting for quite some time but then my website eventually got bigger and Shared Hosting isn’t helping much in terms of speed.
I then decided to get Windows Virtual Dedicated Server from www.godaddy.com, and it said that the Virtual Dedicated Server must be used with one website only.Now, I have already installed Apache 2.2; PHP 5; and MySQL 5. I have also been able to view my website using the Virtual Dedicated Server IP.
My concern is at the Domain Manager, I am asked to fill nameserver.
I was wondering if I could just use my static Virtual Dedicated Server IP or if there’s a different step I should do altogether.
I am looking forward to your response. Thank you.
