I was putting together a PoC late last year and encountered an issue that I've not seen before that was caused by some functionality within Windows 2008 that I did not know existed at the time. In fact, no one who I've mentioned it to since knew about it either. It seemed sufficiently obscure that I thought I should write about it quickly. In the PoC, I had created a Windows domain based on Server 2008 R2. Setting that up was simple enough and I'd done it many times before. What I began to notice though was that DNS queries…