Re: Will this code work??

[Brian W. <Bri...@no...>]

On Fri, 16 Mar 2007, Rob Podolski wrote:

> Hi,
>
> I want to use a specified (external) public name server to resolve any 
> given URL into its IP address(es) yielding also the TTL from the name 
> server.  I managed to do this using JNDI, but couldn't get the TTL. 
> Then I found dnsjava so would like to give it a try.
>
> Would the following work?? I've tried it but can't vouch for the TTL 
> coming back upon successive tries.
>
> SimpleResolver res = new SimpleResolver(<public name server ip address>);
> Lookup lookup = new Lookup(<my url>, Type.A);
> lookup.setResolver(res);
>
> Record [] records = lookup.run();
> ARecord aRec = null;
> for (int iRec = 0; iRec < records.length; iRec++) {
>    aRec = (ARecord) records[iRec];
>    System.out.println(aRec.getAddress() );
> }
> System.out.println(aRec.getTTL() );
>
> Does this look right? Any help would be gratefully received.

I haven't tested it, but it looks right.  You probably want a check that 
lookup.run() doesn't return null, but that's about the only thing I'd 
change.

Brian