* Paul Vixie:

> better still, let's deprecate these bit patterns altogether for OP=QUERY:
>
>       QTYPE=255

Breaks some sendmail versions and qmail.

>       QCLASS=255

QCLASS != IN seems more reasonable to me.

>       RA=1 AND RD=0

By the responder or the initiator?

> and let's also make explicit that TCP is not to be used unless UDP
> returns TC or unless QTYPE=AXFR or unless UDP QTYPE=IXFR returned
> only one SOA.

I strongly oppose this approach.  Unsolicited TCP has its place.

-- 
Florian Weimer                <[EMAIL PROTECTED]>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99
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