How to build a public DNS server?

DNS setup on OS X 10.3 Server

• My home network is set up with a Smoothwall Linux (www.smoothwall.org) firewall to protect my computers on my DSL connection. One of my machines has a web server, and I have port 80 forwarded through the firewall to this machine. In order to find my machine "in the real world", I use a dynamic IP service (no-ip.com) to provide a domain name which will always resolve to my dynamically assigned IP address. I'm having a problem with DNS locally. Outside my home network, I can access my webserver by going to servername.no-ip.com, but inside my home network, I have to use the locally-assigned IP address (192.168.1.128). I would like to be able to access the server from servername.no-ip.com while at home as well. I don't want to set it in a hosts file locally on the machines, because one is a laptop that leaves the home network frequently. I'm pretty sure the answer lies in a DNS server, but so far, I haven't been able to figure out how to make that work. Smoothwall doesn't appear to provide DNS services, but I have an OS X server available on the home network that I can use for DNS. The problem is that I have no idea how to set it up (zones, CNAME, A, PTR). Can you provide me with step-by step instructions on how to get servername.no-ip.com to translate to 192.168.1.128 on my OS X 10.3 server?

• Answer:

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