Re: Bind DNS Need help with name resolution...

2011-08-21 Thread Sten Carlsen 
Check resolv.conf, looks like no active resolver is listed there, maybe
a wrong nameserver.

On 21/08/11 19:44, Eivind Olsen wrote:
> sachin k wrote:
>
>> Can someone please help me understand why this is not working?
> A few suggestions:
>
> - try looking up names with dig instead of nslookup
> - do a tcpdump while testing, to see where packets are going, and whether
> you get anything back at all.
>
> Regards
> Eivind Olsen
> eiv...@aminor.no
>
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-- 
Best regards

Sten Carlsen

No improvements come from shouting:

   "MALE BOVINE MANURE!!!" 

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Re: Bind DNS Need help with name resolution...

2011-08-21 Thread Eivind Olsen 
sachin k wrote:

> Can someone please help me understand why this is not working?

A few suggestions:

- try looking up names with dig instead of nslookup
- do a tcpdump while testing, to see where packets are going, and whether
you get anything back at all.

Regards
Eivind Olsen
eiv...@aminor.no

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Bind DNS Need help with name resolution...

2011-08-21 Thread sachin k 

Hi,
 
I really need some help to understand by name resolution is not working from a 
client machine.
 
$ nslookup vm2.homenetwork.com
;; connection timed out; no servers could be reached
 
Here are some details:
1. Version of bind installed is 9.3 on EL5.
2. I can successfully perform nslookup, reverse lookup, dig, host commands on 
the DNS server itself.
3. I can ping from the client to the DNS
4. I can telnet (at port 53) successfully from client to DNS
5. No error messages in /var/log/messages
6. I have turned off Firewall between DNS and client (iptables off, ip6tables 
off, selinux disabled)
7. I have tried to strace the nslookup it appears that it is sending the lookup 
command to the right place.
 
sendmsg(20, {msg_name(16)={sa_family=AF_INET, sin_port=htons(53), 
sin_addr=inet_addr("192.168.0.10")}, 
msg_iov(1)=[{"\263\221\1\0\0\1\0\0\0\0\0\0\3vm2\vhomenetwork\3com"..., 37}], 
msg_controllen=0, msg_flags=0}, 0 

Can someone please help me understand why this is not working?
 
Thanks
Sachin.
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