same DNS server serving multiple subdomains
Joseph S D Yao
jsdy at cospo.osis.gov
Tue Dec 19 17:31:24 UTC 2000
On Tue, Dec 19, 2000 at 07:51:49AM -0500, Anthony Golia wrote:
> Yes, contiguous /24's. But my question is what entries do I put in
> which in-addr.arpa zone file for the subdomain DNS server. For example,
> if the parent DNS server is ns1.foo.com, a.b.c.1 and the subdomain DNS
> server is a.b.d.1 and it's authoritive for sub1.foo.com and sub2.foo.com
> domains, where stuff in sub1 and sub2 live in a.b.d and a.b.e.
If it's all the same name server, what does it matter??????????
You have one zone "c.b.a.in-addr.arpa", in which you put the names for
the IP addresses a.b.c.*, no matter what domain they're in. You could
have 254 different domains, for all DNS cares! You have another zone
"d.b.a.in-addr.arpa" for a.b.d.*, and another zone "e.b.a.in-addr.arpa"
for a.b.e.*. Each of these three zones is separate and distinct, and
contains its own information. There is no overlap. There is no
ambiguity. Why should there be?
zone "c.b.a.in-addr.arpa" {
type master;
file "zone.a.b.c";
};
...
zone.a.b.c:
$TTL 1d
@ IN SOA ...
IN NS ...
1 IN PTR www.santa-claus.com.
2 IN PTR wais.memorah.net.
3 IN PTR gopher.kwanzaa.org.
...
--
Joe Yao jsdy at cospo.osis.gov - Joseph S. D. Yao
COSPO/OSIS Computer Support EMT-B
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