page being re directed

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

Donnerstag, 30. August 2012 22:46:29

Checking HTTP server [

HTTP server[] answers on port 80

Received: HTTP/1.1 301 Moved Permanently (Server: Apache) Location:

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