On Thu, 29 Sep 2011, Paul Vixie wrote:

that happens sometimes.  however, i often end up in an email conversation with
a problem reporter, and i often ask them to run certain "dig" commands.  so,
even if i can't reach a recursive server, a feature like this can still help
me.

+1

May or may not be.

there are ~16M open recursive name servers right now.  so, i say, "may".

In lieu of remote looking glass equivalents for DNS, open recursive name servers have unwittingly helped me gain an idea (if not a precise one) of where the target anycast servers are located. The more open recursive name servers there are to test, the better I can triangulate. So yes, this proposal may be useful on that score.

wfms
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