At 14:06 -0500 11/19/05, Bret Alan wrote:
>So, since the last time I posted a DNS question on this list, we have been running each school in our district (each one with its own Mac OS X Server running Bind) as their own private DNS domain (all forwarding to our network provider for public DNS):
>
>school.lan 10.10.1.0/24
>school2.lan 10.10.2.0/24
>
>etc.
>
>Now the schools are connected in a WAN, but each still with the same private subnet 10.10.X.0/24.
>
>What's the best way to approach sharing the DNS info across these domains, so that a lookup for ns.school2.lan is resolved on any other schoolX.lan subnet?
>
>One master DNS server with a forward and reverse zone for each domain, with a slave at each school?
>
>Or can this even be done this way?
>
>Bret
Sure it can. But it depends how you want to control things. If you want decentralized control, then each nameserver would be a master for its own domain and a slave to the all the others (i.e. the local admin would make updates on their own nameserver and these updates would propagate). If you want centralized control, then each nameserver would be a slave to a master located somewhere (i.e. all changes must go through a central clearinghouse nameserver). It's all a matter of preference on your part. The former would involve the least work to implement (like all of 5 minutes for two domains). Of course, this assumes that all nameservers can access each other, regardless of whether you choose centralized or decentralized control. Hope this helps.
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