ChangeIP.com Forums

Hi,

I have a small home lan with windows 2000, windowsXP and Solaris machines all sharing one internet connection through a computer running windows XP.

The machine directly connected to Internet updates the DDNS entry of my registered domain.

Using port redirection I am able to use various softwares on the intranet computers, but I was wondering whether I could set up my internal network with a local DNS that will allow me to resolve individually all of my computers.

For instance, my domain is
example.com
and I have three computers named pc1, pc2, pc3 in my intranet.

Is it possible that requests to:
pc1.example.com
pc2.example.com
pc3.example.com
are all forwarded to my local DNS in a way that they can be resolved locally?

Many thanks

Hello,

You can create a pc1, pc2, and pc3 hostname and point them to the internal IP - for instance:

pc1.example.com = 10.10.10.2
pc2.example.com = 10.10.10.3
pc3.example.com = 10.10.10.4
http://www.example.com = 66.185.162.19
example.com = 66.185.162.19

If you are still wanting to run your own DNS server with local / authoritative zones then you would need to setup another zone name other than example.com. What will happen is the local clients will lookup the example.com domain on the local dns server and not go outside your network to lookup any other hosts within that zone.

Does that help?

But that would not make the pc1, pc2 and pc3 directly accessible from internet.

If I run three separate web sites on the three computers, say
http://www.pc1.example.com
http://www.pc2.example.com
http://www.pc3.example.com
those would not be reachable.

I was wondering whether there is a way to allow external users to access my private ip space, by re-directing all of the requests to example.com to an internal DNS.

But the more I think about it and the more it seems unfeasable. :confused:

Well, yes you can do this. If each service needs to run on its own machine then just setup each forward in your router to forward to the right machine inside. The IP you would use in our DNS server would be the same if you are using NAT...

Sam

I am trying to do something very similar to what you are trying to do. Have you found a solution to being able to perform this?

Are you able to run an internal DNS that resolves your intranet servers? Did you have to make router configuration changes as mentioned in previous responses? Did you have to create host records for these intranet servers on your dynamic DNS provider?

Thanks for any help you may provide!

We suggest you use our DDNS for everything and do not host that same zone locally on your intranet. Otherwise your local servers do not resolve to the same thing we are hosting.

I'll use your DDNS until I begin to outgrow it, then I'll have to find another solution.

Best thing to do is run a domain at the ddns provider, and for inside a sub domain off of that domain, ie example.com would be the domain at the dns provider, and either example.lan or lan.example.com or something on the inside. That way they do not conflict but are similiar in name.

So I could run an internal DNS that would consist of a subdomain of the domain that is at my DDNS? At my DDNS, I would need to create just an NS record pointing to my internal DNS for resolution of the subdomain?

If this works, it may be the solution I am looking for.