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Old 04-12-2016, 10:42 AM   #1
DelMab
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DNS Zone Transfer failed


Hello guys

Just wondering if someone could help please?

I apply this command after adding record but get the below result only with slave servers ns2 and ns3 but with the master ns1 it works. after incrementing the serial no on the master then when I check if the zone file has been transferred from the master to the slaves, it has not.

dig xxx.xxx.xxx.xx.in-addr.arpa PTR @ns2

; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> xxx.xxx.xxx.xx.in-addr.arpa PTR @ns2
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19315
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;250.255.100.10.in-addr.arpa. IN PTR

;; AUTHORITY SECTION:
100.10.in-addr.arpa. 300 IN SOA ns1.example.net. example.net. 111111118 86400 3600 604800 300

;; Query time: 1 msec
;; SERVER: xx.xxx.x.xxx#53(10.101.0.106)
;; WHEN: Tue Apr 12 15:18:07 2016
;; MSG SIZE rcvd: 105
 
Old 04-12-2016, 11:55 AM   #2
lazydog
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Try
Code:
dig -x <ip address> @ns2
 
Old 04-13-2016, 02:51 AM   #3
DelMab
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Thanks lazydog

I got the same result.

;; AUTHORITY SECTION:
100.10.in-addr.arpa. 300 IN SOA ns1.example.net. example.net. 111111118 86400 3600 604800 300



Basically replication or zone transfer is not working for some reason.
 
Old 04-13-2016, 10:56 AM   #4
lazydog
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Next question is how you have your DNS servers setup. Are they notified of a zone change or do they poll at certain times of the day? I always used the former so the slaves always had the latest and greatest.

Might be in how you have your dns configured.
 
Old 04-13-2016, 11:27 AM   #5
Ellendhel
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Just in case: check that you have ports UDP/53 and TCP/53 opened on the firewall of each machine, and any firewall that you may have in between.
 
  


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