[CentOS] Bind isn't working. after upgrade.

[Carlos Sura]

>
>
> Hello Carlos,
>
> When named is running:
>
> - Is port 53 listening?
> - Can you telnet into that port from another server?
> - Can you lookup (dig) your own domain or a remote domain from the server?
> - Were either xinetd or iptables updated or changed?
>
>
> W.
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Hi Winter, I really appreciate your answer.

Yes, port 53 is listening on configuration and with netstat -atpn | grep -E
":953|:53" it shows named.
Yes I can telnet from another server the port 53
Well, this is what I get from dig
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.1 <<>> -x domain.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32863
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;icom.domain.in-addr.arpa. IN PTR

;; AUTHORITY SECTION:
in-addr.arpa. 1800 IN SOA b.in-addr-servers.arpa. nstld.iana.org.
2011026079 1800 900 604800 3600

;; Query time: 51 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Wed Jul 25 02:28:44 2012
;; MSG SIZE  rcvd: 121


Iptables is deactivated and I have made: chkconfig iptables off and
restarted to see if it works, and produces the same.
-- 
Carlos Sura.-
www.carlossura.com