[rbldnsd] Using external application for data?

[Amos Jeffries]

Joseph B. Kowalski wrote:
> Hello,
> 
> 
> I'm very new to rbldnsd and dnsbl in general, so please excuse me 
> if this is an ignorant question, but I was unable to find an answer 
> anywhere I looked:
> 
> 
> Is it possible, for A lookup requests coming into rbldnsd, for the 
> program to forward the request to a program or script on the local 
> machine, and then return a positive or negative response based on 
> the output of the program or script (such as it returning a '0' or 
> '1', for instance)? Basically, just acting as the DNS front end for 
> A requests, and not actually using it's own data files for the 
> request? If rbldnsd cannot do this, does anyone know of a server 
> than can?
> 
> 
> I realize this must sound really strange, but an honest answer is 
> requested, please.
> 
> 
> Thank you.
> 
> 
> Joe Kowalski
> 

Never heard of any DNS server that allowed that capability.

Do you mind saying in public what exactly the function of this is to be?

We might be able to provide alternatives that fit the actual situation 
better, but without knowning the context its very hard.

AYJ