This Article will help you Change your domain's who.is details from client area.:
->To change your whois details browse url http://client.ewebguu.com
->Provide your username and password to login into client area You will See Following Window
->Click on my domains link Now you will see all your registered domain by eWebGuru.com
Ater seeing carefully you will see icon on the right of each domain.
->This is your domain control panel link Click on this link You will find your domain details.
Now find the Button Register Nameservers and click on it.
Just write ns1 in first text box and your server IP in nest text box and click on save. Do same for second nameserver