Hi all,
I'm fairly new to bind configuration and was wondering if you could
point me in the right direction for issues we seem to be having with our
caching name server reverse looking up a particular address, i've been
banging my head against this for the last couple of days now and
wondered if you could point me in the right direction on solving the issue.
here's what i'm getting with a local host command
$ host -d 203.22.30.47 127.0.0.1
Trying "47.30.22.203.in-addr.arpa"
Received 43 bytes from 127.0.0.1#53 in 0 ms
Trying "47.30.22.203.in-addr.arpa"
Using domain server:
Name: 127.0.0.1
Address: 127.0.0.1#53
Aliases:
Host 47.30.22.203.in-addr.arpa not found: 2(SERVFAIL)
Received 43 bytes from 127.0.0.1#53 in 0 ms
$ dig +trace @127.0.0.1 -x 203.22.30.47
; <<>> DiG 9.4.3 <<>> +trace @127.0.0.1 -x 203.22.30.47
; (1 server found)
;; global options: printcmd
. 517909 IN NS G.ROOT-SERVERS.NET.
. 517909 IN NS A.ROOT-SERVERS.NET.
. 517909 IN NS B.ROOT-SERVERS.NET.
. 517909 IN NS K.ROOT-SERVERS.NET.
. 517909 IN NS J.ROOT-SERVERS.NET.
. 517909 IN NS M.ROOT-SERVERS.NET.
. 517909 IN NS H.ROOT-SERVERS.NET.
. 517909 IN NS L.ROOT-SERVERS.NET.
. 517909 IN NS C.ROOT-SERVERS.NET.
. 517909 IN NS I.ROOT-SERVERS.NET.
. 517909 IN NS E.ROOT-SERVERS.NET.
. 517909 IN NS F.ROOT-SERVERS.NET.
. 517909 IN NS D.ROOT-SERVERS.NET.
;; Received 492 bytes from 127.0.0.1#53(127.0.0.1) in 1 ms
203.in-addr.arpa. 86400 IN NS TINNIE.ARIN.NET.
203.in-addr.arpa. 86400 IN NS NS-SEC.RIPE.NET.
203.in-addr.arpa. 86400 IN NS NS4.APNIC.NET.
203.in-addr.arpa. 86400 IN NS DNS1.TELSTRA.NET.
203.in-addr.arpa. 86400 IN NS NS1.APNIC.NET.
203.in-addr.arpa. 86400 IN NS NS3.APNIC.NET.
;; Received 185 bytes from 202.12.27.33#53(M.ROOT-SERVERS.NET) in 273 ms
30.22.203.in-addr.arpa. 86400 IN NS ns.bigtrolley.com.au.
30.22.203.in-addr.arpa. 86400 IN NS ns.opensystems.com.au.
;; Received 106 bytes from 193.0.0.196#53(NS-SEC.RIPE.NET) in 26 ms
47.30.22.203.in-addr.arpa. 38400 IN PTR mail.opensystems.com.au.
30.22.203.in-addr.arpa. 38400 IN NS ns02.opensystems.com.au.
30.22.203.in-addr.arpa. 38400 IN NS ns01.opensystems.com.au.
;; Received 150 bytes from 203.22.30.26#53(ns.bigtrolley.com.au) in 326 ms
if I use an external dns nameserver available to us the lookup succeeds
$ host -d 203.22.30.47 82.138.243.4
Trying "47.30.22.203.in-addr.arpa"
Using domain server:
Name: 82.138.243.4
Address: 82.138.243.4#53
Aliases:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 64989
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0
;; QUESTION SECTION:
;47.30.22.203.in-addr.arpa. IN PTR
;; ANSWER SECTION:
47.30.22.203.in-addr.arpa. 38400 IN PTR mail.opensystems.com.au.
;; AUTHORITY SECTION:
30.22.203.in-addr.arpa. 38400 IN NS ns02.opensystems.com.au.
30.22.203.in-addr.arpa. 38400 IN NS ns01.opensystems.com.au.
Received 118 bytes from 82.138.243.4#53 in 1473 ms
running bind version 9.4.3
named.conf
<<<
options {
directory "/var/named";
query-source address 192.168.0.15 port 53;
allow-recursion { any; };
allow-query { any; };
allow-query-cache { any; };
};
logging {
category lame-servers { null; };
};
# main root caches
zone "." {
type hint;
file "root.cache";
};
>>>
Many Thanks
Jason Crummack
Easysoft Limited
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