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From: Ramon F Herrera on 15 Jul 2010 14:39

I am an old timer, and the smallest networks I have managed were Class
C. The traditional named configuration notation allowed me to place a
0 in the proper place, to have a reverse DNS delegated.

Now I find myself in a network with a 255.255.255.240 mask. Can a
network block that small be delegated?

TIA,

-Ramon

ps: Feel free to correct my terminology.

From: Ramon F Herrera on 15 Jul 2010 15:01
On Jul 15, 1:39 pm, Ramon F Herrera <ra...(a)conexus.net> wrote:
> I am an old timer, and the smallest networks I have managed were Class
> C. The traditional named configuration notation allowed me to place a
> 0 in the proper place, to have a reverse DNS delegated.
>
> Now I find myself in a network with a 255.255.255.240 mask. Can a
> network block that small be delegated?
>
> TIA,
>
> -Ramon
>
> ps: Feel free to correct my terminology.


This is the way I used to configure the network blocks. As you can
see, they are Class C.

-RFH

--------------------

directory /var/named
primary trueminutes.com named.other.hosts
secondary conexus.net 12.25.18.133 named.hosts
secondary moltium.com 12.25.18.133 named.hosts
primary 205.112.198.IN-ADDR.ARPA named.qui.rev
primary 206.112.198.IN-ADDR.ARPA named.bro.rev
primary 60.93.198.IN-ADDR.ARPA named.pub.rev
primary 61.93.198.IN-ADDR.ARPA named.vpn.rev
primary 62.93.198.IN-ADDR.ARPA named.dsu.rev
primary 63.93.198.IN-ADDR.ARPA named.voip.rev
primary 143.92.198.IN-ADDR.ARPA named.chi.rev
primary 122.121.63.IN-ADDR.ARPA named.chi.rev
primary 69.77.198.IN-ADDR.ARPA named.rdu.rev
primary 81.77.198.IN-ADDR.ARPA named.lax.rev
primary 162.77.198.IN-ADDR.ARPA named.hfd.rev
primary 0.0.127.IN-ADDR.ARPA named.local
cache . named.ca

From: Moe Trin on 15 Jul 2010 16:09
On Thu, 15 Jul 2010, in the Usenet newsgroup comp.os.linux.networking, in
article <bc3d7fbf-7094-43ea-adf5-0714352dd760(a)q12g2000yqj.googlegroups.com>,
Ramon F Herrera wrote:

NOTE: Posting from groups.google.com (or some web-forums) dramatically
reduces the chance of your post being seen. Find a real news server.

>I am an old timer, and the smallest networks I have managed were Class
>C. The traditional named configuration notation allowed me to place a
>0 in the proper place, to have a reverse DNS delegated.

Classes when out of date with RFC1517 - but that's OK

>Now I find myself in a network with a 255.255.255.240 mask. Can a
>network block that small be delegated?

2317 Classless IN-ADDR.ARPA delegation. H. Eidnes, G. de Groot, P.
Vixie. March 1998. (Format: TXT=17744 bytes) (Also BCP0020)
(Status: BEST CURRENT PRACTICE)

RFC2317 at your favorite search engine. I think the DNS-HOWTO

91563 Dec 23 2001 DNS-HOWTO

covers that as well.

Old guy
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