public Response LookUp(IPAddress address, QTYPE qtype, out Request request)
{
if (object.ReferenceEquals(null, Client))
{
throw new InvalidOperationException(
"A client must be associated with the resolver (use the Connect method).");
}
Response response;
//if (LookUpProcessing != null)
// LookUpProcessing(this, new NameServerEventArgs(server, qtype, _Domain));
//IPAddress address = server.GetFirstAddress(_Options.IPVersion);
ushort id = (ushort)new Random(DateTime.Now.Millisecond).Next(0, ushort.MaxValue);
request = new Request(id, false, OPCODE.QUERY, new Question(_Domain.ToString(), qtype));
try
{
_Client.Connect(address);
response = _Client.Process(request);
if (response.Header.ID != id) // paranoid
{
throw new ResolverException(
"Did not get my request ID back. Either the name server or the client software is buggy.");
}
}
finally
{
_Client.Close();
}
return(response);
}