On Sun, Oct 26, 2008 at 10:45:44AM +0100,
 Marco Schumann <[EMAIL PROTECTED]> wrote 
 a message of 54 lines which said:

> Maybe it is a software configuration to respond with a SERVFAIL on
> "unknown" RR types?

[CNAME, "unknown"? Come on.]

It cannot. It would be a serious violation of RFC 3597. I quote it:

   To enable new RR types to be deployed without server changes, name
   servers and resolvers MUST handle RRs of unknown type

And RFC 1035 clearly says:

                2               Server failure - The name server was
                                unable to process this query due to a
                                problem with the name server.

Yes, thre is "a problem for the name server" if it replies SERVFAIL.

> Why does zonecheck have to judge a software works correctly or not?

Well, it is its entire point.

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