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DNS : Route Through , 'RT' : java Network Programming

1 reply on 1 page. Most recent reply: Jan 2, 2005 10:21 PM by nakulmadaan

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nakulmadaan

Posts: 3
Nickname: o08
Registered: Dec, 2004

DNS : Route Through , 'RT' : java Network Programming

Posted: Dec 29, 2004 9:31 PM

IS THERE ANY PARALLEL FUNTCION FOR DIG IN JAVA.

"RouteThrough", "RT", TYPE_RT:: I tried this in java but i am getting this error at

run time "ERROR - DNS Error: Unknown resource record type 'RT' "

It performs DNS lookups and displays the answers that are returned from the name

server(s) that were queried.

IS THERE ANY OTHER WAY TO INTEROGATE ROOT DNS SERVERS.

THANKS

nakulmadaan

Posts: 3
Nickname: o08
Registered: Dec, 2004

TRACERT

Posted: Jan 2, 2005 10:21 PM

i am trying to interrogate root DNS servers, using " TRACERT " but after going to first hop i am getting " Request timed out "

please help. :)

code is as follows

import java.net.*;
import java.io.*;

class Whois extends Thread
{
public String traceCmdUnix = "tracert -h 10 ;
private StringBuffer result = null;

private void pingCmd (String command)
{
result = new StringBuffer ();
try {
Process p;
p = Runtime.getRuntime().exec(command);
readResult(p.getInputStream());
p.destroy();
}
catch (Exception e) {
e.printStackTrace();
}
}

private void readResult (InputStream in)
{
String line = null;
BufferedReader br = new BufferedReader(new InputStreamReader(in));
try {

while (!this.isInterrupted() &&
(line = br.readLine()) != null)
{
//this.doResultLine(line+"\n");
System.out.println(line);
}
}
catch (IOException e) {
e.printStackTrace();
}
finally {
try {
br.close();
}
catch (IOException e) {
}
}
if (this.isInterrupted())
System.out.println("*** Canceld ***");
}
public static void main (String args[]) throws Exception
{
Whois MyObj = new Whois();
MyObj.traceCmdUnix = MyObj.traceCmdUnix + " " + "www.yahoo.com" ;
MyObj.pingCmd(MyObj.traceCmdUnix);
}

}

OUTPUT:----->
C:\>tracert -d 5 -w 600 www.yahoo.com

Tracing route to www.yahoo.akadns.net [68.142.226.39]
over a maximum of 30 hops:

1 <10 ms <10 ms <10 ms 10.129.210.100
2 * * * Request timed out.
3 * * * Request timed out.
4 * * * Request timed out.
5 * * * Request timed out.
6 * * * Request timed out.
7 * * * Request timed out.
8 * * * Request timed out.
9 * * * Request timed out.
10 * * * Request timed out.

plz help

Thanks :)

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