Thanks Rusty.

It is one box.  It is on a non-routable IP.  I use NAT for ports 80, 
443, 53... etc.

So are you saying I need to make a reverse lookup for the non-routable 
IP?

Thanks!!
Keith


On 2015-10-06 08:04, Rusty Ramser wrote:
> Hi, Keith.
> 
> Will your environment be needing to do internal lookups based upon IP?  
> For
> instance, are you using a non-routable set of IP addresses (e.g., 
> 10.x.x.x,
> 192.168.x.x) for your environment behind NAT, and will those systems 
> need to
> perform name resolution of each other based upon IP?  If so, yes, 
> you'll
> want to have your own internal reverse lookup zone because obviously 
> Cox (or
> any other public DNS provider) will not have that information.
> 
> If you really don't need any internal reverse name resolution, then 
> there
> may be no need to create a zone.  For instance, there isn't an 
> "environment"
> of servers you have, it's just this single web server.  And the web 
> server
> doesn't have any internal network it sits on, it's just got a public,
> routable IP address.
> 
> Cheers.
> 
> 
> -----Original Message-----
> From: plug-discuss-bounces@lists.phxlinux.org
> [mailto:plug-discuss-bounces@lists.phxlinux.org] On Behalf Of Keith 
> Smith
> Sent: Tuesday, October 6, 2015 10:11
> To: Main PLUG discussion list <plug-discuss@lists.phxlinux.org>
> Subject: Bind9 / Cox reverse lookup
> 
> 
> 
> Hi,
> 
> I'm configuring Bind9 on my web server connected to Cox.  Cox 
> configures the
> IP reverse lookup.
> 
> Do I still need to create a reverse zone file?
> 
> The reverse zone file is to lookup the host by IP correct?
> 
> Thank you for your help!!
> 
> Keith
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-- 
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