It's very simple to verify this. Have a simple 'php info' script. Create a file named 'phpinfo.php' under the public_html of your domain Insert the following code: <? php phpinfo(); ?> Access the file in your browser using the link http://yourdomain.com/phpinfo.php At the top section search the line 'Server API'. If you see CGI' then your account is hosted on a server with suPHP. If it shows 'apache' then you are NOT on a suPHP server.