Is 10.in-addr.arpa not recommended?

[donovan jeffrey j]

On Sep 27, 2010, at 4:03 PM, Christopher Cain wrote:

> Hi all.
> 
> I am setting up a new appliance-based DNS solution that will contain a fair number of separately managed Windows DNS slave servers (in addition to the DNS appliances that will handle the .
> 
> Currently there are just over 8000 host records that resolve to IP's in the 10.x.x.x space.  I am wrestling with whether or not I should create a single 10.in-addr.arpa zone or if I should create 256 /16 zones (i.e. - 0.10.in-addr.arpa to 255.10.in-addr.arpa).
> 
> The reason I want to encompass the entire 10 space is so new arpa zones will not have to be defined on all servers (specifically on the Windows slaves) if a new part of the 10 space is used at some point.
> 
> Any recommendations or comments would be greatly appreciated.

Hi Chris,

I run a number of internal clients on 10 address space. what i did was break up each Zone into Class B's 10.1.x.x , 10.2.x.x then my forward and reverse files into class C's. Each record 10.1.1.x . 10.1.2.x, 10.1.3.x, . then scale ass needed. providing the means to add forward and reverse to any address within that address space.

here is a sample, note the sub folders for sanity sake.

############## my LAB ####
############## 10.153 #####

zone "1.153.10.in-addr.arpa" IN {
	file "/var/named/in-arpa-10/153/in-arpa.my-lab1.db";
	type master;
};
zone "2.153.10.in-addr.arpa" IN {
	type master;
	file "/var/named/in-arpa-10/153/in-arpa.my-lab2.db";
};

zone "3.153.10.in-addr.arpa" IN {
	type master;
	file "/var/named/in-arpa-10/153/in-arpa.my-lab3.db";
};

zone "4.153.10.in-addr.arpa" IN {
	type master;
	file "/var/named/in-arpa-10/153/in-arpa.my-lab4.db";
};

zone "5.153.10.in-addr.arpa" IN {
	type master;
	file "/var/named/in-arpa-10/153/in-arpa.my-lab5.db";
};

zone "6.153.10.in-addr.arpa" IN {
	type master;
	file "/var/named/in-arpa-10/153/in-arpa.my-lab6.db";
};

zone "7.153.10.in-addr.arpa" IN {
	type master;
	file "/var/named/in-arpa-10/153/in-arpa.my-lab7.db";
};

zone "8.153.10.in-addr.arpa" IN {
	type master;
	file "/var/named/in-arpa-10/153/in-arpa.my-lab8.db";
};

zone "9.153.10.in-addr.arpa" IN {
	type master;
	file "/var/named/in-arpa-10/153/in-arpa.my-lab9.db";
};

zone "10.153.10.in-addr.arpa" IN {
	type master;
	file "/var/named/in-arpa-10/153/in-arpa.my-lab10.db";
};