Use the Test-Connection cmdlet to determine when a DNS record has propagated

For some time now I’ve wanted some sort of service that would simply alert me via Email once a specific DNS record had propagated and was reachable by at least on host on the public internet. To my knowledge, such a service doesn’t exist. I was faced with a situation this morning where such a solution would have been extremely helpful. So, I decided to sit down and break out PowerGUI Script Editor to make my dream a reality! What emerged from 20 minutes of hackery was a 13 line script that works like this:
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