WINDOWS 2000 SERVER
Because zone transfer transmits all information about a certain DNS zone, it could also help an intruder get to know your network better. Tools such as Nslookup allow you to easily perform zone transfers with DNS servers.
If you don't want to allow zone transfers to everyone, you can specify a list of servers that you'll allow to perform zone transfers with your DNS server. Follow these steps:
1. Open the DNS console on your DNS server, and expand the server and zone for which you want to disable zone transfers.
it, and select Properties.
4. Click OK.