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Message: [QUOTE="Kevin D. Goodknecht [MVP], post: 4446693"] In This is going to be a matter of opinion but I would point to the two closest DNS servers in the same domain. But on the child DNS server you should check the "Do not use recursion" box to prevent them from using root hints to resolve names in the other child domains. The only way a child can resolve another child is to find its delegation in the parent zone. Unless it can find its parent from the root hints, it is the only way to find the other child zones with out having secondary of all children on each of the child DNS servers. Of course there is the option of having a secondary of the parent on all the child DNS servers which is probably the most common if there is a great geographical difference in there locations. In that case there is no need to forward to the parent. The parent DNS is probably going to be busy enough as it is without an untold number of child DNS servers using it as a forwarder. Oh and by the way, your terminology is incorrect they are Preferred and Alternate DNS, Primary and Secondary refer to the type of zones in their scope of authority primary zones are the writable zones and secondary are read only copies of primary zones. [/QUOTE]