[Linux-users] reverse dns

[Bill Campbell]

On Mon, Aug 27, 2007, vu pham wrote:
>When I run "w" on a server to show who are currently on the system, the
>output also shows the dns names of the remote systems via the column
>FROM. But I notice that all the systems which are under  the local dns
>are displayed by their dns names, and all the others are displayed by ip
>addresses.
>
>I tried nslookup/ptr on the server and it can resolve the name of all
>the remote systems just fine. Don't know why they are displayed by just
>the ip addresses.
>
>Any advice ?

dig -x ipaddress

Bill
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