Queries to a positively cached zone are failing (phila.gov)
Stephane Bortzmeyer
bortzmeyer at nic.fr
Wed Mar 15 09:19:41 UTC 2006
On Tue, Mar 14, 2006 at 06:18:15PM -0500,
Greg Chavez <greg.chavez at gmail.com> wrote
a message of 62 lines which said:
> This tells me that *if* an unknown upstream filter (not likely, at
> least not on my end) is causing mischief, it's filtering at the
> application layer not the network layer.
Examining in detail the queries with ethereal may yield some clues.
> So the question is, what distinguishes a dig-fashioned query from a
> BIND-fashioned query?
A few wild guesses:
* dig sets "rd" (recursion requested) by default ("dig +norec" to test
it)
* BIND may have been configured with a source address which is not the
default address of the machine (check the query-source option)
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