forward and delegate

[Kevin Darcy]

Hanrong Jiang wrote:
> I setup a DNS as below :
>
> in named.conf:
>
> options {
>         directory        "/var/named";
>         forward         first;
>         forwarders      { 1.1.1.1 } ;
> }
>
> zone "example.com"
>     {
>     type master;
>     file "db.example.com";
> }
>
> in db.exmaple.com:
>
> ...
> xxx    A        3.3.3.3
> $ORIGIN example.com
> abc    NS    abcdns.abc
> $ORIGIN abc.example.com
> abcdns    A    2.2.2.2
>
> when I want to lookup a host "xyz.abc.example.com", the server first contact
> the forwarders 1.1.1.1 to get the host address, not send the request to
> 2.2.2.2 directly, Why ?
>   
Because forwarding, by default, overrides delegation.

If you want to disable forwarding for all undefined subzones of 
example.com, then put "forwarders { };" in the zone statement.

                                                                         
                     - Kevin