AT&T / Verizon DNS Flush?

Hank Nussbacher hank at efes.iucc.ac.il
Wed Apr 16 16:32:43 UTC 2014


At 10:21 16/04/2014 -0600, Steven Briggs wrote:

Been discussed and nothing has been done:
http://www.ietf.org/proceedings/87/slides/slides-87-dnsop-8.pdf
https://www.dns-oarc.net/files/workshop-201005/DNS-Emergency-Alert-System.pdf

Will keep happening until someone decides to act.

-Hank


>Yeah...I know.  Unfortunately, the domain was "mishandled" by our
>registrar, who imposed their own TTLs on our zone, THEN turned it back over
>to us with a 48HR TTL.  Which is very bad.
>
>I really appreciate all of your help, guys!
>ᐧ
>
>
>On Wed, Apr 16, 2014 at 10:14 AM, Laszlo Hanyecz <laszlo at heliacal.net>wrote:
>
> > The generally accepted and scalable way to accomplish this is to advertise
> > your freshness preferences using the SOA record of your domain.  It would
> > be pretty tricky to make this work with a swivel chair type system for
> > every domain and host on the internet.  You would have to contact every
> > user and ask them to invalidate the caches, after asking their recursing
> > server operator to do the same.
> >
> > -Laszlo
> >
> >
> > On Apr 16, 2014, at 6:15 AM, Steven Briggs <stevenbriggs at gmail.com> wrote:
> >
> > > Hello,
> > >
> > > Not sure where to point this... I was wondering if anybody knows an
> > inroad
> > > to reach AT&T and Verizon systems people to flush their caches for "
> > > proofpoint.com"?
> > >
> > > Any help is greatly appreciated!
> > >
> > > Steven Briggs
> > > ᐧ
> >
> >





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