Why does AXFR have records in it that are not in the zone file

Danny Mayer mayer at gis.net
Sat Jul 13 04:09:23 UTC 2002


At 04:07 AM 7/12/02, Rowan Smith wrote:

>When performing a zone-transfer using "dig zone.name axfr" I get
>entries in the output that are not in the master servers zone file.

BIND does not make up records.

>These always have a decreasing (non-static) TTL.

That doesn't sound like an authorative server.

>The key issue is that when my secondary nameserver does a zone
>transfer it gets these entries and writes them out to disk and they
>then become static at whatever value the primary supplied it with at
>that point in time.
>
>Why is my nameserver passing this information along with a zone
>transfer when it is not directly in the zone file on the disk?

Does the output of "dig zone.name axfr @master.name" make a
difference? Does it have this bad data in it?

Can you give an example of this bad information? You could have
bad data in the slave and it's not being updated. How are you sure
that the data is being transferred from the master?

Danny

>Thanks.
>
>-Rowan



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