Google’s John Mueller said in a Google Webmaster Hangout that Google might still find your penalized website even if you moved it to a new domain name.
Even if you do not set up 301 redirects to your new site, or use the change address tool in Google Webmaster Tools, a website penalty might apply to your new site if you simply moved the website from domain A to domain B, or if the new website is very similar to the old website.
In that case, you might have to rebuild your website if you want to get rid of the penalty.
How to get rid of bad backlinks
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