[dns-operations] query dropping vs. returning nxdomain

Edward Lewis Ed.Lewis at neustar.biz
Wed Mar 15 16:31:54 UTC 2006

At 20:14 -0800 3/6/06, Matt Ghali wrote:

>Would it generally be considered poor form to drop queries you do
>not want to answer? Perhaps not only queries that would return
>NXDOMAIN, but also queries that maybe administratively you do not
>wish to answer.

There's a difference between "I can't reach you" and "You told me 
no."  The former leaves the situation in a state of uncertainty. 
Uncertain is not a good state for a protocol to be in.

Edward Lewis                                                +1-571-434-5468

Nothin' more exciting than going to the printer to watch the toner drain...

More information about the dns-operations mailing list