Split Delegation IP Reverse

[Kevin Oberman]

It makes the thread hard to follow!
> Why not?
> > Please don't top post.

> > On Tue, Nov 23, 2010 at 10:43 PM, Wilbert J. Rojas O.
> > <wrojas at ideay.net.ni>  wrote:
> >> Hi,
> >>
> >> Hello!
> >>
> >> My scenario is as follows:
> >>
> >> I have the following network 192.168.0.0/24 which manages my primary DNS
> >> server for this zone reversals and if any updates on the reverse of an IP
> >> upgrade to a second DNS server is a slave.
> >>
> >> Well my question is:
> >>
> >> Suppose I have a third server that will manage DNS but only part of the
> >> reverse IP block that my two DNS servers given, say that this third server
> >> must manage the reverse DNS for the network 192.168.0.230/28 only.
> >>
> >> How could you do this?
> >> Escuchar
> >> Leer fonéticamente
> >>
> >> Ing. Wilbert J. Rojas O. |Equipos y Sistemas, S.A.
> >> Administrador de Sistemas.
> >> Colegio Centro América 60 mts al norte. | Managua, Nicaragua
> >> wrojas at ideay.net.ni | Tel.:+505 2277-4000 Ext.115|Fax: +505 2277-4411
> >>
> >> _______________________________________________
> >> bind-users mailing list
> >> bind-users at lists.isc.org
> >> https://lists.isc.org/mailman/listinfo/bind-users
> >>
> El 23/11/2010 04:01 p.m., Jonathan Petersson escribió:
> 
> > You could CNAME the records to another PTR domain maintained by the
> > third server.
> >
> > 230.0.168.192.in-addr.arpa is an alias for 230.0-28.0.168.192.in-addr.arpa
> > 230.0-28.0.168.192.in-addr.arpa domain name pointer host.domainname
> >


> Date: Tue, 23 Nov 2010 16:18:17 -0600
> From: "Wilbert J. Rojas O." <wrojas at ideay.net.ni>
> Sender: bind-users-bounces+oberman=es.net at lists.isc.org
> 
> Jonathan Thanks for responding, but I don't understand your idea.
> 
> 
> Ing. Wilbert J. Rojas O. |Equipos y Sistemas, S.A.
> Administrador de Sistemas.
> Colegio Centro América 60 mts al norte. | Managua, Nicaragua
> wrojas at ideay.net.ni | Tel.:+505 2277-4000 Ext.115|Fax: +505 2277-4411
> 
> 

See RFC2317, "Classless IN-ADDR.ARPA delegation".
http://www.ietf.org/rfc/rfc1035.txt
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751