On 20 April 2011 10:42, Chris Buxton <chris.p.bux...@gmail.com> wrote:
> On Apr 20, 2011, at 2:19 AM, Adam Goodall wrote:
>
> However if a client queries server A for mail.testdomain.com (type any)
> the request is not answered. From the logs on server B i can see that server
> A is only forwarding on a request of type A. As an A record for
> mail.testdomain.com does not exist on server B it does not resolve.
>
> If i then specifically query Server A for mail.testdomain.com of type
> CNAME, it resolves as expected. Subsequent requests against server A for
> mail.testdomain.com of type any then resolve, presumably because it is
> already in the cache.
>
> Hopefully that makes sense! Has anyone had a similar issue and did you come
> up with a work around? Is this expected behaviour or a bug?
>
>
> This is an excellent example of why you should not forward to an auth-only
> server. Use a stub zone instead. You might need to give it an empty
> forwarders list, to override forwarding set in either the options or view
> statements.
>
> For example:
>
> zone "testdomain.com" {
> type stub;
> masters { 192.168.1.1; };
> forwarders { };
> };
>
> Try it, you'll like it.
>
Chris
This certainly seems to have solved the problem. I'm not convinced i
understand why it didn't work they way i was trying but this is a perfectly
acceptable alternative - thanks for your help!
Adam
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