Hi All, http://www.mcdar.net/dance it's very good tool to check SERP rankings for particular keyword in many DC. but i seen form last 15 day domain has been suspended i found another tools so please check it it's also give same result http://www.dccheck.com/ Thanks!
If you want to check the ranking within different DC at one time... check this tool - http://www.promotionworld.com/tools/dance/index1.php