Newbie: Troubles with dns zone file

[InterIp Networks]

I do'nt what is happening but i get now the following when i try start
nslookup :


ns1.interregister.com:/etc>nslookup interregister.com

*** Can't find server name for address 127.0.0.1: No response from server
Server:  ns1.widexs.nl
Address:  212.204.192.252

Name:    interregister.com
Address:  212.204.219.61

What's going wrong ?,

Mesut