Question about Reverse mapping name servers
vitroth+ at cmu.edu
Wed Oct 3 22:11:53 UTC 2007
--On October 3, 2007 5:45:54 PM -0400 "Reedy, Sean" <sreedy at Accessdc.com>
> Sorry if I caused confusion. I'm going to be the "Delegator" and didn't
> know how to do that with Bind.
> ARIN is asking what two name servers will be used to provide Reverse IP
> lookups for the addresses they are going to assign me. I have two
> servers, but wasn't sure if I could host the in-addr.arpa if my name
> servers didn't have IP addresses in the block of addresses that ARIN
> Is there a How-to for hosting reverse lookup?
In general are no restrictions on what IP space a server needs to be in to
be able to have forward or reverse zones delegated to it. There are some
TLDs that provide the ability to restrict delegations to servers within
that domain, but I don't believe the same is true for IP ranges.
You might want to start by reading some basics on how delegations & reverse
lookups work, such as the info in the DNS & Bind on the Zytrax.com site:
If you need to take portions of the IP space thats assigned to you and
delegate it to another set of servers how you do so depends on the size of
your address space and the size of the delegation. That site has some
basics, but doesn't have a thorough set of "in case A you delegate with
method B" examples. If you post something describing your exact scenario
better we can probably give you some options.
Network Software Designer
Carnegie Mellon University
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