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→PART 2: DNS OVERVIEW
DNS is technically not a required part of the internet, but effectively it's indispensable for nearly all services of every sort on the internet. We'll spend a couple of weeks on topics related to DNS.
Read sections 1-3 13 from the [https://en.wikibooks.org/wiki/Communication_Networks/DNS Wikibooks DNS page].
= PART 3: YOUR OWN DNS SERVER =
