You need to ensure if the resolver that is doing the forwarding also loads
the blank 10/8 that you have the smaller /24 delegated in the 10/8.
The reason being if it loads the /8 with no /24 delegation it will ignore
the forward because it believes the /24 doesn't exist.
On Feb 21, 2013 1:21 PM, "Nikita Koshikov" <koshi...@gmail.com> wrote:
> Hello list,
>
>
> I'm trying to "cut" /24 network from the scope of /8 network, here is
> example:
>
> zone "11.2.10.in-addr.arpa" {
> type forward;
> forwarders { 192.168.1.23; 192.168.1.24; };
> };
>
> zone "10.in-addr.arpa" {
> type master;
> file "master/int/10.in-addr.arpa";
> };
>
> 10.in-addr.arpa is just a file that returns NXDOMAIN for any 10.0.0.0/8ip
> address. But I need to forward requests for
> 10.2.11.0/24 net to other dns servers and the above config not working.
> I got empty responses for 10.2.11.0/24 net.
>
> This is right: (192.168.1.8 - server with bind)
>
> $ host -t ptr 10.1.1.1 192.168.1.8
> Using domain server:
> Name: 192.168.1.8
> Address: 192.168.1.8#53
> Aliases:
> Host 1.1.1.10.in-addr.arpa. not found: 3(NXDOMAIN)
>
> This is wrong:
> $ host -t ptr 10.2.11.10 192.168.1.8
> Using domain server:
> Name: 192.168.1.8
> Address: 192.168.1.8#53
> Aliases:
> Host 10.11.2.10.in-addr.arpa. not found: 3(NXDOMAIN)
>
> This is expected answer from the forwarded server - 192.168.1.23
> $ host -t ptr 10.2.11.10 192.168.1.23
> Using domain server:
> Name: 192.168.1.23
> Address: 192.168.1.23#53
> Aliases:
> 10.11.2.10.in-addr.arpa domain name pointer hawk-agent.local.intranet.
>
> Can someone help with this ?
>
>
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