SOA serial number increments, bind 8

Michael Kjorling michael at kjorling.com
Mon Sep 10 14:49:41 UTC 2001


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It's not BIND's serial number. Technically speaking, it's the serial
number field of the zone's SOA (Start of authority?) resource record.

There has been countless posts on the topic of serial numbers; look
through the archives and search for terms like 'serial number
arithmetic'. That should turn up a few interesting threads for you.

As for your specific question, no, the change is negative so the zone
will not transfer because of it. If you do this on one of the slaves
(bad idea messing with slave zones anyway) and reload, it will pull a
copy of the zone from the master. If you do it at the master, you'll
be sitting with two different zones until you increment the SOA serial
on the master so that it, in a DNS sense, is greater than what the
slaves have.

But again, look in the archives. You will be surprised at how much
this has been discussed.


Michael Kjörling


On Sep 10 2001 09:46 -0400, C. L. wrote:

>     So, I know in the older binds the serial numbers are always supposed to
> increment, like 99991, 99992.
>
>     In the newer binds, what happens if, we had a serial like 9801059, and
> changed the serial to  9801050?
>
>     This isin't a positive increment, so will it update the record? will
> anything bad happen?
>
>
>
> C.

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