BIND DNS question - only forward certain dns requests ?

Hi,

We are implementing a fail-over / load balancing solution based on Radware AppDirector.

The Radware AppDirector will redirect the users by acting as a DNS server and "feeding" the visitor the correct DNS record.

Problem: we want the Radware to only handle dns for two dns records ( www.domain.com and extranet.domain.com ), BUT NOT FOR THE OTHER 30 dns records in our public dns zone.

I know Windows 2003 has something called "conditional forwarding".
How can we solve this using BIND ? Forwarding only allows us to forward a complete subdomain ? Other possibilities ???

Thanks,
Joachim
LVL 3
joachim.claeys@teleatlas.comAsked:
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Chris DentPowerShell DeveloperCommented:

You could add a local zone to BIND as domain.com and add the two records you require beneath it. It wouldn't forward requests for any other records within domain.com.

Chris
0
joachim.claeys@teleatlas.comAuthor Commented:
Hi Chris,

It's the Radware that will be handling dns requests for these two records.

The other records that will be managed by BIND.

The Radware has very basic dns capabilities ( no zone creation, ... )

J.
0
Chris DentPowerShell DeveloperCommented:

Hmm...

It's a pain, but you could fill the Hosts file with the other 30.

Unfortunately conditional forwarders in BIND are also a type of zone. e.g.:

zone "somedomain.com" IN
{
      type forward;
      forwarders {a.b.c.d; w.x.y.z;};
};

Chris
0
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suggestionstickCommented:
Hi


Have you considered making a sub domain, and delegating DNS for that sub domain to  Radware?

so Bind will handle example.com
and will pass subdomain.example.com to Radware for load balancing.

Just a thought.
 




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joachim.claeys@teleatlas.comAuthor Commented:
Yes. I was considering this as well, but it just doesn't feel like the right way to go. Nevertheless, if this is the only low-maintenance solution ...

I was just wondering if this has any disadvantages ( search engine bots, ... ? )

Thanks,
Joachim.
0
Chris DentPowerShell DeveloperCommented:

It depends what the server does. search engines and bots can't use a Hosts file, and from what you've written I hadn't imagined the server hosting public DNS services.

Chris
0
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