public static void main(String[] args) throws IOException {
    	Listener clientListener = new Listener(1400);
    	Listener serverListener = new Listener(1500);
    	clientListener.start();
    	serverListener.start();
    	dnsCommunicator.sendOnline();
    	dnsCommunicator.getIPTable();
    	System.out.println(serversIPTable);
    }