Maybe the site is just down?
Domain Name: DOMAINNAMESYSTEMS.COM
Registrar: CHEAPIES.COM INC.
Whois Server: whois.cheapies.com
Referral URL:
http://www.cheapies.com
Name Server: NS1.JSOFT-SOFTWARE.COM
Name Server: NS2.HOSTSERVERS.NET
Status: clientTransferProhibited
Updated Date: 15-sep-2011
Creation Date: 13-feb-2000
Expiration Date: 13-feb-2013