@ IN NS dns.bob.org. @ IN NS dns2.bob.org.. $ORIGIN edu. bob IN SOA bob.org. root.bob.org. ( 2002121301 ; serial 10800 ; refresh 3600 ; retry 604800 ; expire 86400 ; default_ttl ) bob IN NS dns.bob.org. bob IN NS dns2.bob.org. $ORIGIN bob.org. localhost IN A 127.0.0.1 gateway IN A 184.108.40.206 dns IN A 220.127.116.11 dns2 IN A 18.104.22.168 bob.org. IN A 22.214.171.124 www IN CNAME bob.org.
This will set up bob.org so that there are four machines with hostnames. The gateway, which is probably a switch is sitting at 126.96.36.199. The name servers are at 188.8.131.52 and 184.108.40.206. Their names are dns.bob.org and dns2.bob.org. The last machine is the bob.org web server. This machine is at 220.127.116.11 and has two names. The real name or the CNAME is bob.org. It also has an alias www.bob.org which points to the machine with the CNAME bob.org.