We're running a Netware 6.5 box with SP7 and in response to a recent security assesment, would like to disable the reponse given by our external DNS servers to clients for ROOT HINT servers when not resolvable locally. For example: a client polls the DNS server for CNN.com - Breaking News, U.S., World, Weather, Entertainment & Video News, since our DNS server is not the registered server for that domain the DNS server replies back with a list of "served by" ROOT servers.

We would like to be able to disable all responses to clients except for those domains/zones for which we are responsible.