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