On 11/04/2016 20:00, Rob Austein wrote:

> Going back at least to the mid '90s, yes.  Don't recall whether this
> came up in the '80s. :)
> 
> As I recall, the thing that stopped this every time was lack of
> consensus on pesky details such as "to which QNAME does the RCODE
> apply when this fails" and "to which QNAME does the AA bit apply?"

My draft attempts to avoid that by only having one QNAME - the EDNS
option just contains a list of extra QTYPEs that should be returned
alongside the primary QTYPE from the question.

Ray

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