[CentOS] Re: Problems with bind on 5.2

Scott Silva ssilva at sgvwater.com
Tue Jul 8 20:50:33 UTC 2008


on 7-8-2008 11:27 AM Brian spake the following:
> On Tue, July 8, 2008 12:48 pm, Scott Silva wrote:
>> I'm having some trouble getting reverse zones right on 5.2. The zone files
>> worked fine on a CentOS 4.6 machine, and the forward zones moved to the
>> new
>> server seem OK. But for some reason I can't get anything but servfail's on
>> remote queries to the machine. But for some reason they will answer fine
>> if I
>> run "host ip.ad.dr.ess" on the local machine. I stopped the firewall to
>> help
>> debug this, but it still fails.
>>
>> Bind is listening on all the machines ip addresses.
>>
>> --
> 
>    You could also try
> 
> dig +trace -x 00.00.00.00
> 
> and see where it takes you.
> 
> Brian.
This is a server that seems to resolve ok. Done from my home server.

; <<>> DiG 9.2.4 <<>> +trace -x 63.110.242.66
;; global options:  printcmd
<snip root server stuff>
;; Received 476 bytes from 127.0.0.1#53(127.0.0.1) in 263 ms

63.in-addr.arpa.        86400   IN      NS      epazote.ARIN.NET.
63.in-addr.arpa.        86400   IN      NS      chia.ARIN.NET.
63.in-addr.arpa.        86400   IN      NS      figwort.ARIN.NET.
63.in-addr.arpa.        86400   IN      NS      dill.ARIN.NET.
63.in-addr.arpa.        86400   IN      NS      henna.ARIN.NET.
63.in-addr.arpa.        86400   IN      NS      BASIL.ARIN.NET.
63.in-addr.arpa.        86400   IN      NS      indigo.ARIN.NET.
;; Received 195 bytes from 192.33.4.12#53(C.ROOT-SERVERS.NET) in 26 ms

110.63.in-addr.arpa.    86400   IN      NS      AUTH03.NS.UU.NET.
110.63.in-addr.arpa.    86400   IN      NS      AUTH00.NS.UU.NET.
;; Received 95 bytes from 192.41.162.32#53(epazote.ARIN.NET) in 85 ms

242.110.63.in-addr.arpa. 21600  IN      NS      auth100.ns.uu.net.
242.110.63.in-addr.arpa. 21600  IN      NS      auth110.ns.uu.net.
;; Received 97 bytes from 198.6.1.83#53(AUTH03.NS.UU.NET) in 129 ms

66.242.110.63.in-addr.arpa. 21600 IN    CNAME   66.64.242.110.63.in-addr.arpa.
64.242.110.63.in-addr.arpa. 21600 IN    NS      mail.sgvwater.com.
64.242.110.63.in-addr.arpa. 21600 IN    NS      mail.fontanawater.com.
;; Received 127 bytes from 198.6.1.202#53(auth100.ns.uu.net) in 73 ms

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

This one doesn't, it seems that the server won't answer the request.

; <<>> DiG 9.2.4 <<>> +trace -x 208.252.226.196
;; global options:  printcmd
<snip root server stuff>
;; Received 512 bytes from 127.0.0.1#53(127.0.0.1) in 121 ms

208.in-addr.arpa.       86400   IN      NS      chia.arin.net.
208.in-addr.arpa.       86400   IN      NS      dill.arin.net.
208.in-addr.arpa.       86400   IN      NS      basil.arin.net.
208.in-addr.arpa.       86400   IN      NS      henna.arin.net.
208.in-addr.arpa.       86400   IN      NS      indigo.arin.net.
208.in-addr.arpa.       86400   IN      NS      epazote.arin.net.
208.in-addr.arpa.       86400   IN      NS      figwort.arin.net.
;; Received 197 bytes from 193.0.14.129#53(K.ROOT-SERVERS.NET) in 132 ms

252.208.in-addr.arpa.   86400   IN      NS      AUTH03.NS.UU.NET.
252.208.in-addr.arpa.   86400   IN      NS      AUTH00.NS.UU.NET.
;; Received 97 bytes from 192.5.6.32#53(chia.arin.net) in 94 ms

226.252.208.in-addr.arpa. 21600 IN      NS      auth02.ns.uu.net.
226.252.208.in-addr.arpa. 21600 IN      NS      auth20.ns.wcom.com.
;; Received 108 bytes from 198.6.1.83#53(AUTH03.NS.UU.NET) in 100 ms

196.226.252.208.in-addr.arpa. 21600 IN  CNAME   196.192.226.252.208.in-addr.arpa.
192.226.252.208.in-addr.arpa. 21600 IN  NS      mail.sgvwater.com.
;; Received 99 bytes from 198.6.1.82#53(auth02.ns.uu.net) in 95 ms


I can get the A record fine, but it won't answer the PTR request. I'm thinking 
that bind just doesn't like the reverse zone file, but it doesn't toss up any 
errors about it.
-- 
MailScanner is like deodorant...
You hope everybody uses it, and
you notice quickly if they don't!!!!

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