Problem with reverse lookup in CIDR delegated domain [file details]
Jim
me at privacy.net
Wed Mar 3 18:14:03 UTC 2004
(first time configuring bind/dns)
I am setting up a domain in a block of 5 IP numbers:
67.116.182.186 - 67.116.182.190 hostmask 255.255.255.248
with network access of 67.116.182.184/29
I have set the domain up in bind 9.2.2 and everything is
working except reverse, i.e. number to name.
Below are the files: named.conf and the forward and reverse
zone files for the domain.
FILE = /etc/named.conf
options {
directory "/var/named";
query-source address * port 53;
pid-file "named.pid";
};
[root, local & localrev zones not listed for brevity]
zone "jms-corp.net" {
type master;
file "m/named.jms-corp.net";
notify yes;
};
zone "182.116.67.in-addr.arpa" {
type master;
file "m/named.67.116.182";
notify yes;
};
FILE = /var/named/m/named.jms-corp.net
$TTL 86400
@ IN SOA dragon.jms-corp.net. jrs.jms-corp.net. (
2 ; Serial
8H ; Refresh
10M ; Retry
3600000 ; Expire
86400 ) ; Minimum
IN NS ns.jms-corp.net.
IN NS ns1.pbi.net.
IN MX 10 jms-corp.net.
IN A 67.116.182.186
localhost IN A 127.0.0.1
ns IN A 67.116.182.186
www IN A 67.116.182.186
ftp IN A 67.116.182.186
mail IN A 67.116.182.186
FILE = /var/named/m/named.67.116.182
$TTL 86400
@ IN SOA dragon.jms-corp.net. jrs.jms-corp.net. (
5 ; Serial
8H ; Refresh
10M ; Retry
3600000 ; Expire
86400 ) ; Minimum
; My nameserver
IN NS ns.jms-corp.net.
; Secondary nameserver from pacbell
IN NS ns1.pbi.net.
186.184.182.116.67.in-addr.arpa. IN PTR dragon.jms-corp.net.
==============================
Note the above PTR record. This is what I was told was needed here.
When I read RFC2317 there was nothing like this. I did find at the
following URL a slight explanation:
http://www.acmebw.com/askmrdns/00007.htm
Following is the output of dig using the ISPs nameserver:
; <<>> DiG 9.2.2-P3 <<>> @ns1.pbi.net -x 67.116.182.186
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42182
;; flags: qr rd; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 2
;; QUESTION SECTION:
;186.182.116.67.in-addr.arpa. IN PTR
;; ANSWER SECTION:
186.182.116.67.in-addr.arpa. 7200 IN CNAME 186.184.182.116.67.in-addr.arpa.
;; AUTHORITY SECTION:
184.182.116.67.in-addr.arpa. 7200 IN NS dragon.jms-corp.net.
184.182.116.67.in-addr.arpa. 7200 IN NS ns1.pbi.net.
184.182.116.67.in-addr.arpa. 7200 IN NS ns2.pbi.net.
;; ADDITIONAL SECTION:
ns1.pbi.net. 172800 IN A 206.13.28.11
ns2.pbi.net. 172800 IN A 206.13.29.11
;; Query time: 33 msec
;; SERVER: 206.13.28.11#53(ns1.pbi.net)
;; WHEN: Wed Mar 3 09:40:23 2004
;; MSG SIZE rcvd: 172
Which shows the "extended" CNAME record. Next is the output of dig
from my nameserver:
; <<>> DiG 9.2.2-P3 <<>> -x 67.116.182.186
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13644
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;186.182.116.67.in-addr.arpa. IN PTR
;; AUTHORITY SECTION:
182.116.67.in-addr.arpa. 86400 IN SOA dragon.jms-corp.net. jrs.jms-corp.net. 5 28800 600 3600000 86400
;; Query time: 1 msec
;; SERVER: 67.116.182.186#53(67.116.182.186)
;; WHEN: Wed Mar 3 09:42:19 2004
;; MSG SIZE rcvd: 104
Anyone have any help, comments, dumbsh*ts, etc to offer?
Thank you
Jim
jrs (at) jms-corp.net | j-m-s (at) pacbell.net
--
Quidquid latine dictum sit, altum viditur.
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