page being re directed

I am concerned about my site at weightfan.com and the error message below. How do I fix this?

Donnerstag, 30. August 2012 22:46:29

Checking HTTP server http://www.weightfan.com [66.147.242.82

HTTP server http://www.weightfan.com[66.147.242.82] answers on port 80

Received: HTTP/1.1 301 Moved Permanently (Server: Apache) Location: http://weightfan.com/

Your main page redirects to another location. Several search engines will be unable to index your site.