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Old 12-03-2009, 12:00 PM   #1
jonaskellens
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Need basic DNS-lesson


I have a local domain, with a local DNS-server (ClarkConnect SBS) running on the GREEN zone. I also have a ORANGE zone where there is a multi-tenant test-webserver running.

Now... my domain is jocan.local. DNS is clarkconnect.jocan.local. GREEN network is 192.168.1.0

ORANGE network is 192.168.2.0. 192.168.2.3 is the webserver. webserver.jocan.local resolves greatly to 192.168.2.3.

An Endian-firewall is what separates me from the public internet.

My multi-tenant webserver is ISPConfig 3.

Here I have the option to make a domain. So I make the domain tryout.local, with prefix www.

Question : how do I make www.tryout.local resolve to 192.168.2.3/virtual-host-tryout ???

What do I need to change in my ClarkConnect DNS-server (holds the A-records for jocan.local) and what do I need to do in my ISPConfig-webserver (is no authorative DNS-server, has no records)

In my opinion webserver.jocan.local needs to hold the records for tryout.local (and virtual host 'www'), but how does my ClarkConnect-DNSserver knows it needs to forward DNS-requests for tryout.local to webserver.jocan.local ????

Need some DNS-lessons here...

Last edited by jonaskellens; 12-03-2009 at 12:01 PM.
 
Old 12-03-2009, 03:22 PM   #2
janoszen
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Users

Well, your users use some sort of resolver. If this resolver is a recursor itself, you need to see its configuration for any exceptions. Mostly I recommend using delegated DNS from a publicly recursable zone (local.mydomain.net for example) in order to facilitate such needs. Saves you from a lot of headaches.
 
Old 12-03-2009, 03:27 PM   #3
EricTRA
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Hello,

Have a look at this book, I'm sure it will help you in solving your problem.

Kind regards,

Eric
 
Old 12-04-2009, 04:00 AM   #4
jonaskellens
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My question actually also is how my DNS-server knows about the virtual hosts on the webserver ?!
 
Old 12-04-2009, 04:28 AM   #5
EricTRA
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Hallo Jonas,

Have a look here at this site. It lists the procedure to create a virtual domain and point it to another domain. The procedure is when using a webmin interface but I'm sure you'll find how to use it on your setup.

Kind regards,

Eric
 
Old 12-04-2009, 11:55 AM   #6
jonaskellens
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Quote:
Originally Posted by EricTRA View Post
Hallo Jonas,

Have a look here at this site.
Thank you !

Have you come across a good tutorial that explains a bit more about webhosting ? It is not my core business but it would be good to have to me explained how ISP's and webhosting companies do their DNS-management.

It can't be as simple as editing pointer-records of the main DNS-authority of the country. In Belgium for instance it's dns.be.
 
Old 12-04-2009, 12:14 PM   #7
EricTRA
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Hallo Jonas,

You're welcome. In fact as I understand it, it just does come down to editing the pointer records.

Kind regards,

Eric
 
  


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