Delayed Zone Transfers?
Jiann-Ming Su
su_js1 at yahoo.com
Mon Aug 6 16:03:24 UTC 2012
> From: Jiann-Ming Su <su_js1 at yahoo.com>
> To: "bind-users at lists.isc.org" <bind-users at lists.isc.org>
> Cc:
> Sent: Thursday, August 2, 2012 5:38 PM
> Subject: Delayed Zone Transfers?
>
> What would cause a delay in zone transfers? The notify go out immediately when
> the serial number changes on the master, but some of the secondaries can take up
> to 10 minutes before initiating the zone transfer. Also, even after the zone
> has been transferred, the secondary will not immediately serve out the new
> data. I'm running 9.8.1-P1, soon to be 9.8.3-P2. Thanks for any insights.
>
Here's an example of the zone file being updated, but BIND not serving out the new data.
Running dig locally:
# dig @localhost myhost.uts-sa.mydomain.ddns
; <<>> DiG 9.8.3-P2 <<>> @localhost myhost.uts-sa.mydomain.ddns
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36470
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;myhost.uts-sa.mydomain.ddns. IN A
;; AUTHORITY SECTION:
uts-sa.mydomain.ddns. 86400 IN SOA dhcp-admin.service.mydomain.net. hostmaster.mydomain.net. 2010585436 7200 1800 604800 86400
;; Query time: 6 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon Aug 6 11:53:45 2012
;; MSG SIZE rcvd: 118
Contents of the local zone file:
# less ddb.uts-sa.mydomain.ddns
$ORIGIN .
$TTL 86400 ; 1 day
uts-sa.mydomain.ddns IN SOA dhcp-admin.service.mydomain.net. hostmaster.mydomain.net. (
2010585437 ; serial
7200 ; refresh (2 hours)
1800 ; retry (30 minutes)
604800 ; expire (1 week)
86400 ; minimum (1 day)
)
NS dns1.mydomain.net.
NS dns2.mydomain.net.
$ORIGIN uts-sa.mydomain.ddns.
$TTL 7200 ; 2 hours
myhost A 10.231.24.252
TXT "00e9e034c52bb28952e1b7192519421cc5"
The SOA that it's serving is not the newest one.
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