[dns-operations] Why would an MTA issue an ANY query instead of an MX query?

[Paul Vixie]

On 2012-06-11 7:19 AM, Zuleger, Holger, Vodafone Germany wrote:
> What I have in mind is, that the recursive name server will send back
> what is (actually) in the cache. The clients doesn't know if the
> answer is full-fledged. So sending ANY query to recursive servers is
> almost useless.

i remember trying to explain that to djb. i could dig up the archives if
i thought any of you would be surprised.