テスト

 apt-get install host
 thinkpad:/etc/bind# host www
 www.n9d.no-ip.com   CNAME   vmware.n9d.no-ip.com
 vmware.n9d.no-ip.com        A       192.168.1.31
 thinkpad:/etc/bind# host 192.168.1.30
 Name: thinkpad.n9d.no-ip.com
 Address: 192.168.1.30
 Aliases: thinkpad
 thinkpad:/etc/bind# host 192.168.1.31
 Name: www.n9d.no-ip.com
 Address: 192.168.1.31
 thinkpad:/etc/bind# host ns
 ns.n9d.no-ip.com    CNAME   thinkpad.n9d.no-ip.com
 thinkpad.n9d.no-ip.com      A       192.168.1.30
 thinkpad:/etc/bind# host mail
 mail.n9d.no-ip.com  CNAME   thinkpad.n9d.no-ip.com
 thinkpad.n9d.no-ip.com      A       192.168.1.30