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11111-222.bidvalidation.com what is it?

Discussion in 'Black Hat SEO' started by procmail, Oct 18, 2012.

  1. procmail

    procmail Junior Member

    Joined:
    Jan 21, 2011
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    Hi,

    I've been seeing this bidvaluation.com as referer in my web server logs.

    The subdomain keeps changing, e.g. 11111-222.bidvaluation.com, 22222-333.bidvaluation.com

    Any idea what that is?