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Old 06-04-2012, 11:44 AM   #1
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Nameserver Question

Hello everyone,

I have a problem with my domain and I don't know how to get this worked. I have bought a domain from the netherlands and I have setted up my own web server. At my domain control panel I am only able to change the nameserver and I could not set up dns. I use external dns to redirect to my server, but is there a way to create nameserver on my webserver? (centos?)

Thanks in advance!
Old 06-04-2012, 12:58 PM   #2
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There are nameserver packages that can be added to Linux. The most common is BIND which runs the named daemon. Whether it should be on the same server as your web server depends a lot on how much traffic you expect.

Also I wasn't sure if I understood your question properly. Are you wanting to be able to resolve what is on your external nameserver from your web server? If so you would simply modify the /etc/resolv.conf so it knew where the external name server was. (Of course you also have to allow outbound traffic to port 53).

On the other hand if you want to have an internal name server you can do that using BIND or one of the other open source nameservers. It depends a lot on how much you want to find. If the only thing looking for records on the web server are the web server itself you might just want to edit /etc/hosts to add the entries you want. Separate nameservers are typically things you want to do when you have multiple systems that you wish to use the nameserver. You can modify /etc/nsswitch.conf to look at "files" (/etc/hosts) before "dns" (BIND or other nameserver). That way any entry in your /etc/hosts file would be used first and if not there then it would look at what you had configured in /etc/resolv.conf.

Typing "man nsswitch.conf", "man hosts" and "man resolv.conf" should give you information on the 3 files.

Setting up BIND would be something you'd want to check for your distro as it may have precanned packages you can install to get going quickly.

English note: The past tense of set is set rather than setted. It is an irregular verb.
Old 06-04-2012, 01:03 PM   #3
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Originally Posted by mravatar3 View Post
Hello everyone,

... but is there a way to create nameserver on my webserver? (centos?)
Of course, that's what servers are meant to do
- example
- another example

but you could / would be able to maintain it only if you have a static IP where your server is connected to internet.
Then you will need to point the DNS servers IP's in your domain control panel to be the IP of your own server...

For example:
- you have your domain registered at some Domain registrar and it has options to set IP's (or names) of the DNS servers - like,
- then these two servers need to have the Domain zone records set (which is what you can have on your own server) to point to addresses, for example -> IP: etc.


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