forwarding timeouts

[Kevin Darcy]

What's in the server logs?


- Kevin

nick de Beer wrote:

> I have set up my system to resolve a small local domain and forward all
> other lookups to another system.
> When I try resolve anything outside my local domain the client lookup
> seems to pause for about 30 to 40 seconds before the lookup is
> completed.
> Analysing the network traffic shows the client retries the lookup 3
> times.
> In this time the server does not seem to forward the lookup as no
> traffic passes between my local dns server and the forwarder.
> Eventually after the 3rd client retry the local dns sends the request to
> the forwarder and the query is returned to the client.
> This made me think that perhaps there is some type of  query timeout in
> the local domain?
> I have made sure that there is not a reverse lookup problem, all systems
> in question have the appropriate entries.
> There is also only one server in the forward list and in the client's
> resolv.conf.
> As a result of this everytime a system outside my domain tries to do a
> connection (such as telnet)  that uses dns to resolve the IP address
> there is a long pause before the initial connection is completed.
>
> Thanks in advance
> Nick