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We will <u>not</u> be setting up our server to do [https://en.wikipedia.org/wiki/Reverse_DNS_lookup Reverse DNS Lookups] but you are expected to understand the difference. In particular, you should understand that:
:* Your registrar (whomever you pay for your domain, even if you run your own DNS server) is responsible for '''normal (forward) DNS resolution''' of your domain.
:* Your ISP (whomever you pay for your internet connection, i.e. the company that assigned a public IP to your server) is responsible for '''reverse DNS lookups''' for your IP.
Removing an incorrect statement.
We will review in class how the Domain Name Service works. You should also read in your own time the [https://en.wikipedia.org/wiki/Domain_Name_System#Address_resolution_mechanism Address resolution mechanism] section (including the '''Recursive''' and '''caching name server''' subsections) on '''Wikipedia for an overview of a DNS query'''. The diagram shown in the WIKI is also quite simple and easy to understand. Domain Name Service is a LARGE topic but this lab provides the basic principles and essentials for this course and DNS set-up for other courses.
= INVESTIGATION 1: CONFIGURING THE DNS SERVER =
