FW: Delegating reverse DNS to a customer

bsfinkel at anl.gov bsfinkel at anl.gov
Tue Aug 18 15:42:47 UTC 2009


On Tue, Aug 18, 2009 at 8:31 AM, Tim Huffman<Tim at bobbroadband.com>
wrote:
> Guys,
>
>
>
> We're a smallish (but growing) ISP, and we've been asked by one of our
> customers to delegate reverse DNS for 63.250.251.0/24 to their DNS servers,
> ns1.emns.com - ns4.emns.com. Unfortunately, we've never had to delegate DNS
> to a customer before, and we're having problems getting it to work.
>
>
>
> We're running BIND 9.5.1 on Fedora.

In your zone

     251.250.63.in-addr.arpa   (If you do not have a zone, create it.) 

place the following four NS records as delegation records:

@    IN  NS  ns1.emns.com.
     IN  NS  ns2.emns.com.
     IN  NS  ns3.emns.com.
     IN  NS  ns4.emns.com.

I believe that that will delegate the /24 to those servers from your
servers.  The delegation could occur at the parent level, but you
do not control the parent

     250.63.in-addr.arpa

zone.
----------------------------------------------------------------------
Barry S. Finkel
Computing and Information Systems Division
Argonne National Laboratory          Phone:    +1 (630) 252-7277
9700 South Cass Avenue               Facsimile:+1 (630) 252-4601
Building 222, Room D209              Internet: BSFinkel at anl.gov
Argonne, IL   60439-4828             IBMMAIL:  I1004994



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