tedster - 5:34 pm on Jun 20, 2011 (gmt 0) [edited by: tedster at 6:27 pm (utc) on Jun 20, 2011]
It's easy to learn what the canonical domain is. All those search results using all those extra domains currently will 301 redirect to the single canonical domain. The domain owner seems to be doing nothing sneaky at all - the flaw is at Google.
[edited by: tedster at 6:27 pm (utc) on Jun 20, 2011]