BIND 9.7 Serial Number Decrease Problem

Daniel McDonald dan.mcdonald at
Tue Jun 7 13:57:00 UTC 2011

On 6/7/11 7:51 AM, "Barry Finkel" <bsfinkel at> wrote:

> There was a zone serial number mismatch, each zone expired three days
> ago, and new zones were transferred from the master.  But the zone
> files on disk still have the higher serial numbers.  There are no .jnl
> files on the disk.  A "dig" on the server for the zone serial numbers
> shows the lower numbers, so BIND has those correct serial numbers.

If you have multiple masters for which this server is a slave, then check
the serial number on all of the masters.  I think you will find that one of
them is higher than the other...

>  I
> assume that if I stopped BIND (rndc stop) and restarted it, then I
> would again see the serial number mismatches.  I can try this during
> the day, as this server is not heavily used.  Is there any debugging I
> need to run?  Thanks.

Daniel J McDonald, CCIE # 2495, CISSP # 78281

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