nslookup
> server
Default server: 192.168.168.234
Address: 192.168.168.234#53


** server can't find type=mx: NXDOMAIN
> type = mx tlradio.no-ip.com
Server:         192.168.168.234
Address:        192.168.168.234#53

** server can't find type: NXDOMAIN
>