Hi
I am using Ubuntu 10.04.
When I type

> host myIPaddress

I get

> Host myIPaddress.in-addr.arpa. not found: 3(NXDOMAIN)

My file /etc/hosts starts with:
127.0.0.1 localhost
127.0.1.1 my-host-name

and my /etc/hostname reads:
my-host-name

Does anybody know how to solve it?
Thanks