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Deets On DNS
Let’s get started
“The Domain Name Server (DNS) is the
Achilles heel of the Web. The important thing is
that it’s managed responsibly”
Tim Berners-Lee
Important terms
✘Domain name is the URL of the website
✘IP address is the location of the website on the internet
✘A top level domain is the part of the URL after the period
DNS stands for domain name system.
What is DNS?An unordered labeling system that renders host names to ip
addresses.
*host name = determines a computer on a network or a domain on the internet
Certain domain namefor example: ✘ google✘ popcorn✘ fish✘ guacamole
The structure of a Domain Name
Top Level Domainfor example: ✘ com✘ net✘ org✘ gov
250,000,000
Number of registered domain names
in the last quarter of 2012
Domain name registration process
1. Submit domain name registration request to a registrar
2. Registrar will send all info to the registry
3. Registry files the contact information for the Whois
4. Registry adds domain zone files to the master servers
Percentage of TLDs used, based out of 2 million
THANKS!Any questions?You can find me at✘ eva@deets-on-
dns.com✘ deets-on-dns.com
Credits
Special thanks to all the people who made and released these awesome resources for free:✘ Presentation template by
SlidesCarnival✘ Photographs by Unsplash