Invalid TLD when setting nameserver.

[lamerfreak]

>I purchased a domain name from GoDaddy.com, I want set the nameservers to 
>point to my primary DNS that I set up, I am using twisted4life as my 
>secondary, My primary is successfully transfering zone data to the 
>secondary. But when I try to set the nameservers, I get the error message, 
>"Nameserver 1 has invalid TLD.", nameserver 1 by the way is the IP of my 
>primary that is on my machine. I am running the DNS server on a Windows 2003 
>system with no Active Directory installed at the moment. This is all 
>experimental at the moment, im new to DNS, can anyone tell me if I am making 
>any obvious errors that would cause my promblem? 

In your GoDaddy control panel or whatever it's called, you should have
an option to create a nameserver within your domain.

Otherwise, I gather you're just setting the name you've already chosen
for it - which doesn't exist anywhere else, yet.

Just my guess.