Yeah, doing a reverse IP lookup with domain tools shows a list of 1,029 domains currently directing to google.com (some direct to youtube.com)
Duck Duck Go has a TM application filed on April 2, 2008. Google acquired duck.com's owner in 2010.
There is a very reasonable case for a WIPO domain dispute, which isn't particularly costly (granted if Google lost, and then sued you it would be expensive.) Very good way to generate a lot of press coverage.