If you use NetScaler you will want to see these guides. The NetScaler How To Guides show administrators how to get NetScaler up and configured by providing instructions for common scenarios and some not so common ones.
|RRAS AND DNS||15||44|
|Office365 DirSync setup questions||4||31|
|How to configure windows DNS (internal) forwarding to bind DNS (external)||3||14|
|Windows DNS Server Caching||3||28|