Zone Not Updating On Master

[Barry Margolin]

In article <eightk$ptt$1 at sf1.isc.org>,
 "RickWaukCo" <rmcmillin at gmail.com> wrote:

> I'm trying to make a change to our internal master DNS server that
> servers our internal DNS.  A change was made to the zone file.  The
> serial number was updated.  named was stopped and restarted.  However,
> when I go to check the change, it didn't take effect.

named has no memory across stopping and restarting it, so the only 
explanation is that it loaded a different zone file than the one you 
edited.  Every time I've heard of this happening, it was because they 
had two directories that contain zone files, and they updated the copy 
in the wrong directory.

> 
> Here's the top of the zone file:
> 
> **********
> $TTL 86400
> @       IN SOA  dns.waukeshacounty.gov. root.dns.waukeshacounty.gov. (
>  2006110302     ; Serial Number (yyyymmddnn)
>  7200           ; Refresh Time - 2 Hours
>  1800           ; Retry Interval - 30 Minutes
>  1209600        ; Expire Interval - 2 Weeks
>  86400)         ; TTL - 1 day
> **********
> 
> However, when I run this dig command against the master:
> 
> **********
> dig soa waukeshacounty.gov @10.100.0.5
> **********
> 
> It responds with the following:
> 
> **********
> ; <<>> DiG 9.2.0 <<>> soa waukeshacounty.gov @10.100.0.5
> ;; global options:  printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21260
> ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
> 
> ;; QUESTION SECTION:
> ;waukeshacounty.gov.            IN      SOA
> 
> ;; ANSWER SECTION:
> waukeshacounty.gov.     86400   IN      SOA     dns.waukeshacounty.gov.
> root.dns.waukeshacounty.gov. 200611013 7200 1800 1209600 86400
> 
> ;; AUTHORITY SECTION:
> waukeshacounty.gov.     86400   IN      NS      dns.waukeshacounty.gov.
> waukeshacounty.gov.     86400   IN      NS
> dns10.waukeshacounty.gov.
> 
> ;; ADDITIONAL SECTION:
> dns.waukeshacounty.gov. 86400   IN      A       10.100.0.5
> dns10.waukeshacounty.gov. 86400 IN      A       10.100.0.10
> 
> ;; Query time: 0 msec
> ;; SERVER: 10.100.0.5#53(10.100.0.5)
> ;; WHEN: Fri Nov  3 15:38:22 2006
> ;; MSG SIZE  rcvd: 147
> **********
> 
> Notice how the serial number in the dig response is older than the
> serial number in the zone file.
> 
> I have checked the bind logs and don't see anything in there to
> indicate any problems with the zone file, but I'm guessing there is a
> problem.
> 
> Any ideas?  Am I right in that it's probably a typo in the zone file?
> What's the easiest way to find the error?  My zone file is huge (~1200
> lines) and I'm not the one who typically makes changes to it so it's
> hard to say where the typo might be if there is one.
> 
> Thanks!

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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