[dns-operations] RCODE for bogon answers

Sean Donelan sean at donelan.com
Tue Oct 9 00:33:36 UTC 2007

Since its becominging more common to have more administrative controls
on local name servers, such as bogon and name filters, what is the
recommended RCODE for queries denied by policy filters?

The obvious choice is RCODE=5 (Refused).  But that seems to confuse
a lot of clients.

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