10.6.2 Split Horizon DNS
The DNS interface in Server Admin.app is not suitable for doing a split-horizon DNS configuration. It simply doesn’t expose all of the flexibility of bind that you need to pull off such a configuration. If you poke around the bind config files on your OS X Server, you’ll be able to see how apple has set them up so that you can edit them directly without confusing the GUI. /var/named contains zone files that you may edit, and they include corresponding files in /var/named/zones which you should not edit. They’ve...