Java WHOIS protocol with TCP

Whois.java

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;


public class Whois {

	public static void main(String[] args) throws Exception {
		
		String domain = args.length > 0 ? args[0] : "domain";
		
		InetAddress address = InetAddress.getByName("whois.internic.net");
		Socket socket = new Socket(address, 43);
		
		BufferedReader br = new BufferedReader(new InputStreamReader(socket.getInputStream()));

		socket.getOutputStream().write((domain + "\r\n").getBytes());
		
		String cevap = null;
		while((cevap = br.readLine()) != null){ System.out.println(cevap); }

		socket.close();
		
	}
	
}