A question about using forwarders.

[Lee Fu-yuan]

Hi everyone,

I have a question about the usage of the forwarder options.
Consider a simple setting: 
	
	options {
		....
		....
		forwarders {IP_ADDRESS1; IP_ADDRESS2;};
		....
	};

Is it possbile that we can ask the DNS server to query the 
second forwarder with IP_ADDRESS2 if the first forwarder 
answers our query with NXDOMAIN message? 


Similarly, if none of the forwarders have the answer, i.e.,
they all answers NXDOMAIN, can we let the DNS server perform 
interative query from root DNS servers?

Thanks a lot.

With best regards,


-- 
Lee, Fu-Yuan
Distributed System and Network Security Lab.
Dept. of Comp. Sci. & Info. Eng
Nat'l Chiao Tung Univ.
Hsinchu, Taiwan 30050, ROC 
E-Mail: leefy at csie.nctu.edu.tw