Membership is FREE, giving all registered users unlimited access to every DNForum feature, resource, and tool! Optional membership upgrades unlock exclusive benefits like profile signatures with links, banner placements, appearances in the weekly newsletter, and much more - customized to your membership level!
Are you saying it earns $500-$700 per month? If so, it's probably worth $7,000-$40,000. I put such a big ranch because I don't understand the quality of the traffic and how likely the earnings are to continue.
I notice that you may also have other names pointing indirectly to vvzz. eg jmk.biz which points to http://www.ebooks-online-shop.com/ which links to vvzz.net. Could you isolate the domain vvzz.net so to get the exact visits p/day? It would be interesting to know what vvzz stands for. I think you would need to find out what these visitors are looking for before you can price the domain. Creature.
Can't really appraise it. Traffic can start to fall off very quickly. It's worth what you make from it until the traffic goes away. Have your traffic counts started going down yet?