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What is DNS? How does it work? How to use the ‘NSlookup’ tool

July 31, 2014 / neilzensoftware / 4 Comments

A long time ago in a galaxy far away….well….ok, just a long time ago, I learnt that in order to diagnose the email delivery problems of our customers, understanding the role of DNS would be absolutely fundamental.

Not only that, but I quickly realised the value of the ‘NSlookup’ DNS tool which is included within Windows.

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