[Twisted-Python] Getting at the underlying issue in a DNSServerError failure.

Jason J. W. Williams jasonjwwilliams at gmail.com
Wed Jun 16 22:55:51 EDT 2010

Hi Jean-Paul,

You're right DNSServerError = SERVFAIL. DNSNameError = NXDOMAIN

The object reference in the description of the thrown exception left
some uncertainty regarding what the error really was saying.


On Wed, Jun 16, 2010 at 8:06 PM,  <exarkun at twistedmatrix.com> wrote:
> On 15 Jun, 11:33 pm, jasonjwwilliams at gmail.com wrote:
>>Hi Guys,
>>What is the best way to get at the underlying issue (i.e.
>>non-responsive name server, NXDOMAIN, SERVFAIL, etc.) when receiving a
> DNSServerError is documented as indicating ESERVER (I think that's what
> "SERVFAIL" means in your list).  So that's the underlying issue.  Are
> you encountering it in other circumstances?
> Jean-Paul
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