Matt Cutts: Spam publishers don't use multiple domains

In a new video published in Webmaster Tools, Matt Cutts, Director of Spam Search at Google, said: Spam publishers rarely use multiple ccTLDs (country code top-level domains) extensively in their spam publishing operations.

This comment came in light of Cutts’ answer to a question related to duplicate content, which is: Is content considered duplicate if the site has the same content on IPv4 and IPv6? Cutts answered that this is not considered duplication of content or publication of annoying content. Katz added that this is similar to having the same content on more than one domain, and this is not considered publishing duplicate content. Even spam publishers don't actually use multiple domains for this purpose, so you don't have to worry about having your site's content on IPv4 and IPv6, it won't cause you any problems, Goal's Director of Spam Search said.

This comment came at the 45th minute in the following video :  Topics that may interest you :  Matt Cutts: Automatically published content and fake search results are against our policies Cutts: Does the large number of sites using the Nofollow hashtag affect your site Manual actions (6): Infringing links leaving your site Manual actions (5): Infringing external links coming to your site Manual actions (3): Completely unwanted content #Spam #DuplicateContent #MatKats