[dns-operations] How to plan dns server IP change?

Mohamed Lrhazi ml623 at georgetown.edu
Mon Jun 16 01:00:43 UTC 2014

Cool thanks a lot. It happens to be 8 hours in my setup, so we should be


On Sun, Jun 15, 2014 at 8:55 PM, Jorge Fábregas <jorge.fabregas at gmail.com>

> On 06/15/2014 08:21 PM, Mohamed Lrhazi wrote:
> > Thanks a lot Jorge. Am gonna go with option 2, and remove ns3 three days
> > before cut-over, to be even safer.
> Great.  One final thing (forgot to mention & realized is the MOST
> important thing): please make sure you take into consideration the
> *current* TTL of your nameserver records.  If the TTL is, say, 7 days,
> you can remove the records today but you should wait, at least, 7 days
> before the cut-off (plus some extra time for misbehaving resolvers).
> Regards,
> Jorge
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