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List:       dns-operations
Subject:    Re: [dns-operations] Any good name server fingerprinting software nowadays, and flag day prep
From:       Doug Barton <dougb () dougbarton ! email>
Date:       2019-01-31 7:16:42
Message-ID: c204632d-f08e-9185-7c5d-5d127d53a7fb () dougbarton ! email
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On 1/30/19 7:14 PM, Mark Andrews wrote:
> 
> 
> > On 31 Jan 2019, at 12:19 pm, Doug Barton <dougb@dougbarton.email> wrote:
> > 
> > I'm trying to lend a hand on flag day stuff for my peeps, and so I was looking to \
> > fingerprint a server we have questions about. It seems fpdns has not been updated \
> > in a wee bit, so I'm wondering if anyone has suggestions for a more up to date \
> > tool? 
> > Also, I'm curious if anyone is expecting a DNS-pocalypse on 2/1? There has been \
> > surprisingly little chatter here on the runup to the big day, so I'm hoping that \
> > is a sign that it's going to be mostly a non-event?  (Thanks in large part of \
> > course to the efforts of many here over the past year.)
> 
> It was always going to be mainly a non event, in terms of sites failing.  Really \
> old windows servers that should have been upgraded a decade ago and firewalls that \
> block EDNS(0) queries.  They are the DNS flag day problems and there where very few \
> of them before we even started.  20 years of EDNS and 4 years of sending out DNS \
> COOKIE requests had cleared most of them out.

Thanks, Mark. That confirms my understanding, I just wanted to be doubly 
sure that my assurances to folks have a solid foundation.

Doug
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