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DNS on Windows Server 2003, 3rd Edition by Robbie Allen, Matt Larson, Cricket Liu

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Creating and Delegating a Subdomain

If you decide to delegate your subdomains—to send your children out into the world, as it were—you'll need to do things a little differently. We're in the process of doing it now, so you can follow along with us.

We need to create a new subdomain of movie.edu for our special-effects lab. We've chosen the name fx.movie.edu—short, recognizable, unambiguous. Because we're delegating fx.movie.edu to administrators in the lab, it'll be a separate zone. The hosts bladerunner and outland, both within the special-effects lab, will serve as the zone's name servers (bladerunner will serve as the primary master). We've chosen to run two name servers for the zone for redundancy—a single fx.movie.edu name server would be a single point of failure that could effectively isolate the entire special-effects lab. Since there aren't many hosts in the lab, though, two name servers should be enough.

The special-effects lab is on movie.edu's new 192.253.254/24 network. Here are the partial contents of HOSTS:

192.253.254.1 movie-gw.movie.edu movie-gw
# fx primary
192.253.254.2 bladerunner.fx.movie.edu bladerunner br
# fx secondary
192.253.254.3 outland.fx.movie.edu outland
192.253.254.4 starwars.fx.movie.edu starwars
192.253.254.5 empire.fx.movie.edu empire
192.253.254.6 jedi.fx.movie.edu jedi

First, we make sure the Microsoft DNS Server is installed on the new server, bladerunner. Then we create the new zone fx.movie.edu on bladerunner using the process described in ...

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