Google provides a wide variety of spam filters for the process of positioning, and then trying to eliminate the websites of low quality. If a Web site after crawling interferes with an algorithm of an antispam filters, it will be very difficult to obtain that rank in other Google search. One of the most significant filters (at least for a domainer) is the antispam filter, this filter is on to Old Age site (a good guess that domainer is also relating to domain name).