Use the DNS server coordinates for your server destination (where your domain points). Contact the company from whom you bought your domain name. Their website is where you will want to go. Under your account, you can change all your contact information, and keep your complete [WHOIS] profile with them up-to-date. It is recommended that you always secure your login information to your accounts.

Check your WHOIS here
NetworkSolutions - WHOIS

ns1.redwagondesign.com (Primary)
ns2.redwagondesign.com (Secondary)