Spotted this after mention of something similar it in a meeting , looks like a good function in Windows 2008 as we all desperately try to move away from WINS.
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This document can help you implement the Domain Name System (DNS) GlobalNames Zone feature on Microsoft® Windows Server™ 2008. The GlobalNames Zone is a new feature that provides single-label name resolution for large enterprise networks that do not deploy WINS and where using DNS name suffixes to provide single-label name resolution is not practical.
Chris Beams's Blog 