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?
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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.