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[Peter Green <peter AT greenpete.co.uk>]

So, if I understand you correctly, a T! op needs to configure any of 
their
T.L.D.s to expire (T.T.L.) in much shorter time, maybe 24hours, is 
there a
recommended time?

Peter

On 29.06.2012 15:30, Jeff Taylor wrote:

> Actually it was the other way around... The original OZ zone had a 
> very
> large serial (probably based on epoch seconds), and it was changed to
> using the YYYMMDDxx format, which gave the zone a *smaller* serial.
>
> When something like this happens, dns services do not automatically 
> grab
> the new zone file. They only get the updates when the serial has been
> incremented. In cases like this, you have to wait for the zone to 
> expire
> before the dns server forces the download of the new zone file. The
> expire time on the oz zone is two weeks, so we would have seen 
> failures
> during that entire period. Fortunately the server operators who slave
> that zone were able to manually reset the file within a couple days 
> and
> get everyone back in sync again.
>
> On 06/28/2012 01:21 PM, Alex Hanselka wrote:
>
> > The way a zone operates is that with every edit, the serial number 
> > in
> > the SOA record gets incremented by one. Usually they are in the form 
> > of
> > something like YYYYMMDDXX where XX is the edit for that day. The 
> > slave
> > servers, in this case the other T1s and sometimes T2s will only 
> > update
> > if the serial number has incremented since the one they have. In 
> > this
> > case, the serial for OZ got incremented to a huge amount so the 
> > other
> > server never would have updated again causing some failures. Also, 
> > some
> > of the T1s had not even updated their config to resolve the OZ zone
> > which also caused intermittent failures depending on the T1 my 
> > server
> > queried.
> >
> > On Jun 28, 2012, at 2:19 PM, Peter Green wrote:
> >
> > > Wow, fast reply! :-)
> > >
> > > What do you mean when you say "serial issues"?
> > >
> > > The reason I am interested is I am building a testing a T1.
> > >
> > > Peter
> > >
> > > On 28.06.2012 20:16, Alex Hanselka wrote:
> > >
> > > > Due to some T1 and serial issues, the OZ zone was not resolving
> > >
> > > > sometimes. This made me fail the test which made my "pass rate" on
> > > > the
> > > Forgive
> > >
> > > > as been already been covered, but what were the
> > > s with .oz that dropped your up
> > >
> > > > On 28.06.2012 20:11, Alex Hanselka wrote:
> > > lockquote>
> >
> > ---
> > Alex Hanselka
> > alex AT opennicproject.org [1]


Links:
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[1] mailto:alex AT opennicproject.org