Afternic.com Domain name auction site with variety of services like domain news, appraisals, and chat. Recently acquired by Register.com. http://www.afternic.com/ Afternic.com~Site InfoWhoisTrace RouteRBL Check
TopComs Offering a selection of .com domains for auction, along with general domain information. http://www.topcoms.com/ Topcoms.com~Site InfoWhoisTrace RouteRBL Check
Name Jet Offers premium and expiring domain names through domain auctions and backorder services. http://www.namejet.com/ Namejet.com~Site InfoWhoisTrace RouteRBL Check