Domain name system
17
Domain Name System
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This is a short presentation for Our Demonstration in DNS and Web Server
Transcript of Domain name system
Domain Name System
What is DNS?
DNS is the distributed naming system for computers, services or any resources connected
to the Internet or a private network
192.248.56.21
www.jfn.ac.lk
How it works?
Source: http://computer.howstuffworks.com/dns.htm
Source: http://computer.howstuffworks.com/dns.htm
Source: http://en.wikipedia.org/wiki/File:An_example_of_theoretical_DNS_recursion.svg
DNS RECORDS
AThis record return
32bit ipV4 Address
AAAA
This record return 128bit ipV6
Address
CNAME
Alias of one name to another
MX
Map a domain to a list of massage transfer agents for
that domain
NS
Connecting to the DNS zone
Questions ?