It is probably related to forward first versus forward only. Forward first
is default but will fall back to no forwarding if the forwarders fail.
On Dec 7, 2012 12:06 PM, "Romgo" <ro...@free.fr> wrote:
> Hello,
>
> I am currently running two bind9 server on Debian Squeeze.
> 1:9.7.3.dfsg-1~squeeze8
>
> Server 1 is internal dns server and serve some local zone. This server
> should forward all unknown requests to our public DNS server. So I
> configured this server as follow :
> /etc/bind/named.conf.options
>
> forward only;
> forwarders {
> ip_server_2;
> };
>
>
> The second server is allowed to do DNS request on the internet, so there
> is no forwarder configured.
>
> The issue is that I see on my firewall that server1 is trying to do DNS
> requests on DNS ROOT server.
>
> Any idea why I do have this issue ? wrong configuration ?
>
> Regards,
>
>
>
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