Using the expiration date to determine domain legitimacy is in one of Google's patents: http://www.searchengineguide.com/bill-hartzer/does-the-length-of-a-domai

Using the expiration date to determine domain legitimacy is in one of Google's patents: http://www.searchengineguide.com/bill-hartzer/does-the-length-of-a-domain-registration-affect-your-rank.php http://www.searchengineguide.com/bill-hartzer/does-the-lengt... I've updated the post with a link to that article. Thanks for the inquiry.