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DNS - Create cname to map url

Hi Guys,

I need to create a cname to our url to an off site url in DNS.

Regards,
ABBEtech
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abbetech
Asked:
abbetech
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1 Solution
 
wmcdon7160Commented:
For DNS handled internally or externally?
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TechnicallyMaybeCommented:
Need more details:
   What OS in the DNS server?
   A CNAME record is an alias.  So you have an A record which is the host record.  It is usually the actual server name (like iis-server).  You would then make a CNAME of www that points to iis-server.  From your question, I can't determine what you are trying to do.
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abbetechAuthor Commented:
External, windows server 2003 r2 standard.

Within our DNS, I need to created a cname to map this url abbe-lib.org/digital (internal) to abbe.lib.overdrive.com (external)

We want our patron's to use abbe-lib.org/digital to go to abbe-lib.overdrive.com.

Regards,
ABBEtech
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TechnicallyMaybeCommented:
Ahh..ok
A cname records only work within the same zone.  What you'll need to do is code a redirect using javascript or similiar code (i am not a web programmer) to redirect the browser to the site.
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abbetechAuthor Commented:
The overdrive guys want me to set up a cname in our DNS. He said it should look like this,
abbe-lib.org/digital        in      cname      abbe.lib.overdrive.com

I guess I should call them back. Thanks.
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Chris DentPowerShell DeveloperCommented:

You cannot create entries like that in DNS.

The CNAME Record aliases one name to another, e.g.

AliasName.domain.com.  IN CNAME  RealName.otherdomain.com.

The CNAME record cannot be used to redirect, and cannot be used to map to a Virtual Directory beneath a web site.

Chris
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abbetechAuthor Commented:
I got it setup inside and out with digital.abbe-lib.org cname abbe.lib.overdrive.com

I did this on my internal DNS server and on our external DNS server and it still don't work...

Any idea's?

Regards,
ABBEtech
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Chris DentPowerShell DeveloperCommented:

What are you expecting to happen?

For that to do anything the web server would have to be willing to respond as digital.abbe-lib.org. If you are expecting it to redirect or anything else you're out of luck I'm afraid. That will need you to do some work on the web server.

Chris
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abbetechAuthor Commented:
I expect to put digital.abbe-lib.org in the browse and hit abbe.lib.overdrive.com. Or at least that's what I'm trying to accomplish. Isn't that the whole idea of an alias?

Regards,
ABBEtech
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Chris DentPowerShell DeveloperCommented:

What will happen is that you'll put digital.abbe-lib.org into the browser, and it will resolve to the same IP address as abbe.lib.overdrive.com. Then it will create a connection to that IP using digital.abbe-lib.org as the name.

If you want to change the URL typed into the bar in a browser you need a web server to perform a redirect. You might use the same web server as abbe.lib.overdrive.com, or you might bounce the request of another, different, web server. DNS can't do it for you I'm afraid.

Chris
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abbetechAuthor Commented:
This is my email from the the admin at overdrive,

The first screen in the PDF where it shows the “digital” pointing at “abbe.lib.overdrive.com” is perfect.
 

Also, you’ve had perfect success, the system error you see is because our web team has not yet entered the “digital.abbe-lib.org” hostname into our database yet, and therefore our systems do not recognize the URL.

Thanks to all who tryed to help.

Regards,
ABBEtech

 

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Chris DentPowerShell DeveloperCommented:

That would be the host header :) Hopefully they'll finish it off for you quickly.

Chris
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abbetechAuthor Commented:
Thanks!
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