Question about Reverse mapping name servers

[Reedy, Sean]

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
assigns. 

Is there a How-to for hosting reverse lookup?

Thanks,

Sean Reedy

-----Original Message-----
From: Jeff Lightner [mailto:jlightner at water.com] 
Sent: Wednesday, October 03, 2007 3:58 PM
To: Reedy, Sean; bind-users at isc.org
Subject: RE: Question about Reverse mapping name servers

The reverse is just a lookup - it doesn't actually connect through.  So
long as they've delegated to that server and it provides the right
answers there should be no problem.   You have to have whoever assigned
you the IP range do a delegation of the reverse lookups to your DNS
servers - this is separate from the DNS server configurations you do at
the registrar which is for the forward lookups.

Of course you really should have at least two DNS servers for forward
and reverse lookups for redundancy.

-----Original Message-----
From: bind-users-bounce at isc.org [mailto:bind-users-bounce at isc.org] On
Behalf Of Reedy, Sean
Sent: Wednesday, October 03, 2007 12:58 PM
To: bind-users at isc.org
Subject: Question about Reverse mapping name servers

Can a DNS servers provide reverse-mapping (in-addr.arpa) for a block of
IP addresses if those DNS server don't have an IP address in that block?


I'm asking because ARIN requires two name servers whenever you receive a
block of addresses from them.

How do you delegate reverse lookup to other name servers from the name
servers you informed ARIN of?

Thanks,

Sean Reedy

Phone:  412.968.4018
Fax:  412.967.9504
sreedy at accessdc.com

Access Data Corp
90 Beta Dr.
Pittsburgh, PA  15238



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