T_ANY

[Barry Margolin]

In article <mailman.928.1269299600.21153.bind-users at lists.isc.org>,
 Kevin Darcy <kcd at chrysler.com> wrote:

> On 3/20/2010 5:29 PM, Tony Finch wrote:
> > ANY queries are supposed to be used for debugging not for
> > normal operations.
> >
> >    
> 
> At the risk of nitpicking your use of the term "supposed to be"...
> 
> "ANY" queries (aka QTYPE=*), have pretty much been reduced to a mere 
> debugging tool, because of the standards-community's failure to deal 
> with certain caching complications. But I believe the QTYPE was 
> _originally_ intended to be a robust mechanism for fetching multiple 
> RRsets at a time.It just didn't work out that way...

And inverse queries were originally intended to be the way to do reverse 
DNS lookups, but they turned out to be useless for that, so PTR records 
and the IN-ADDR.ARPA hierarchy had to be invented.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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