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Syllabus Assignments Schedule Examples Notes Grades

IT 3100 Systems Design and Administration I
Domain Name System (DNS) Subdomains

Due : September 25, 2009

Assignment: 
Install and configure domain name server software, manage a DNS domain.

Requirements: 

  • Register a domain name with the proper authorities.
  • Configure primary and secondary authoritative domain name servers for a domain.
  • Act as a DNS registrar.

Register a domain name with the proper authorities: 

  • Arrange to register a domain name from a member of class. Note that this domain will be a subdomain of the class member's domain.
  • Give the necessary information to the class member for proper registration.
  • For example, my peer has a domain, horgoth.com. I may create a subdomain school.horgoth.com. I will give my peer the names of my two nameservers, ns1.utahsg.org and ns2.utahsg.org.

Configure primary and secondary authoritative domain name servers for a domain: 

  • On one system configure the files in /etc/bind/ to become the primary authoritative server for this domain.
  • On another system configure the files in /etc/bind/ to become the secondary authoritative server for this domain.
  • Verify that your domain name servers are working correctly.
  • Verify that the rest of the domain name system is correctly finding your name server.

Domain Configuration Details: 

  • Allow hosts from any IP address to lookup information about this domain.
  • Allow your secondary name servers to transfer the entire zone.
  • Automatically notify your secondary servers of changes to your zone.
  • Configure at least 2 names in this domain that point to IP addresses under your control. Most likely, the IP address will not be associated with any systems yet. That is OK.
  • Be sure to enter reverse lookups for an IPs configured.

Act as a DNS registrar: 

  • Arrange to register a domain name to a member of class. Note that this domain will be a subdomain of the your domain.
  • Gather the necessary information from the class member for proper registration.
  • Insert the correct delegation records.
  • For example, my domain is utahsg.org. My peer has requested cit.utahsg.org. I will insert records to make ns1.horgoth.com and ns2.horgoth.com authoratative for cit.utahsg.org.

Pass-off Procedure: 

  • Use the CIT submission system.
  • Submit a text file named dns_info.txt. This file must be a plain text file, with the following format: 
    master: ip_address_of_master
slave: ip_address_of_slave
domain: name.of.domain
ns1:    name.of.ns1
ns2:    name.of.ns2
reverse: reverse.domain
subdomain: name.of.new.subdomain
hosts:     names.of.hosts.in.new.subdomain, names.of.hosts.in.new.subdomain
    For example, my file would look like this: 
    master: 144.38.212.48
slave: 144.38.212.49
domain: utahsg.org
ns1:    ns1.utahsg.org
ns2:    ns2.utahsg.org
reverse: 130-145.210.38.144.in-addr.arpa
subdomain: school.horgoth.com
hosts:     it3100.school.horgoth.com, cs4300.school.horgoth.com

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