Famous Rank is unique to DNfame.com - it takes the outputted data such as pagerank, alexa, links, social media, etc... and gives your domain a ranking from that information and weighted on a factoring scale. It is designed to provide a 'value' to the question 'Is it famous? (in Internet terms)
No, Famous Rank at present is basically for informational and entertainment purposes - something to compare with your friends, colleagues, family, etc. It should NOT be taken into account when buying or selling sites or domains. For more information on the domain industry, please visit our recommended resources.