I've just built a CentOS 6 server and configured BIND9 (named) to run. Zone files are configured and NSLOOKUP, DIG and HOST are all working from the CentOS box.

When I move to my Windows PC, nslookup gives me can't find centos: No response from server (centos is the hostname).

I don't have another linux machine to test with... any suggestions?


Most likely you have forgotten to open port 53 in the firewall, so BIND is not reachable from the "real" network, while working perfectly via loopback.

Look in /etc/sysconfig/iptables.

  • This was the issue, although I thought I had stopped the iptables process so ignored this step initially. – neildeadman May 7 '14 at 12:38

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