external view recursion issue
ben.croswell at gmail.com
Fri Mar 16 14:21:36 UTC 2012
If you are authoritative for a cname that points to an A elsewhere, your
server will resolve the cname and leave it to the client dns server to go
get the A from the server that hosts it.
On Mar 16, 2012 10:14 AM, "Samantha Steers" <sam.faith11 at gmail.com> wrote:
> I am getting prepped to migrate dns from one service to in-house servers.
> While going through the zone file to ensure I got everything, I found that
> we have CNAME in our domain pointing to a CNAME in another domain that is
> pointing to the A record in the other domain:
> host record.ourdomain.com
> record.ourdomain.com is an alias for record.client.otherdomain.com.
> record.client.otherdomain.com is an alias for otherhost.otherdomain.com.
> otherhost.otherdomain.com has address x.x.x.x
> To duplicate this exactly on our servers, it appears that I have to enable
> recursion but the provider said that they are not doing that. I get the
> feeling that I am not going to get the information from them on how they
> are accomplishing this without recursion.
> Right now I have replaced the CNAME with an A record pointing to the IP
> directly and am getting the proper results, but feel that this leaves me
> having to watch for changes that the otherdomain.com administrator might
> Am I missing something else that I can do to replicate? A separate
> external view?
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