code: protected static function server()
  	{
  		$strServer = !empty($_SERVER['SERVER_ADDR']) ? $_SERVER['SERVER_ADDR'] : $_SERVER['LOCAL_ADDR'];
  
  		// Special workaround for Strato users
  		if (empty($strServer))
  		{
  			$strServer = @gethostbyname($_SERVER['SERVER_NAME']);
  		}
  
  		return $strServer;
  	}
docs: Return the SERVER_ADDR
  
  @return string The IP address of the server