Date: Wed, 21 Nov 2012 10:12:02 -0800 (PST) From: Unga <unga888@yahoo.com> To: Ilya Kazakevich <kazakevichilya@gmail.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Bind99 stopped resolving for external queries [SOLVED] Message-ID: <1353521522.90256.YahooMailNeo@web161903.mail.bf1.yahoo.com> In-Reply-To: <1353512187.68024.YahooMailNeo@web161902.mail.bf1.yahoo.com> References: <1353498387.59705.YahooMailNeo@web161902.mail.bf1.yahoo.com> <CAHv=rM2EjsTGHtRwwfywrMyyrXhA8ON3UxFjV7-L%2BhsnHyAogg@mail.gmail.com> <1353512187.68024.YahooMailNeo@web161902.mail.bf1.yahoo.com>
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> From: Unga <unga888@yahoo.com>
> To: Ilya Kazakevich <kazakevichilya@gmail.com>
> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
> Sent: Wednesday, November 21, 2012 3:36 PM
> Subject: Re: Bind99 stopped resolving for external queries
>
> Hi IIya
>
> Thank you for your reply.
>
>> Hello,
>
>>
>>
>>
>>> From my laptop if I ping the server:
>>> ping www.mydoamin.com
>>> ping: cannot resolve www.mydoamin.com: Host name lookup failure
>>>
>>> But if I log in to the server and do the same ping, it works fine.
>>>
>>>
>>
>>
>> 1) check your laptop is configured to work with this DNS server (cat
> /etc/resolv.conf on laptop or "ipconfig /all | findstr DNS" in case of
> windows )
>
> My laptop and the server are in two different countries. Btw, laptop also run
> FreeBSD.
>
>
>
>> 2) check server is accessible (ping <YOUR_SERVER_IP> from laptop)
>
> Yes, the server is accessible (ping <YOUR_SERVER_IP> from the laptop.
>
>
>> 3) check server is accessible via TCP/53
> ("telnet <YOUR_SERVER_IP> 53" from your laptop)
>
> No, there was a reverse DNS error here. It was pointing to the Reverse DNS
> server of the data centre.
>
> Now its been corrected:
>
> telnet <YOUR_SERVER_IP> 53
> Trying <YOUR_SERVER_IP>...
> Connected to ns1.mydomain.com.
> Escape character is '^]'.
>
>> 4) check firewall on server and/or devices between server and laptop, it may
> block requests
>
> No firewall on the server yet.
>
>
>> 5) check your server is configured to use the same DNS: cat
> /etc/resolv.conf
>>
> nameserver 127.0.0.1
> nameserver other_ip1
> nameserver other_ip2
>
>
> Although the Reverse DNS is now been corrected, still cannot ping as from the
> laptop:
> ping www.mydomain.com
> ping: cannot resolve www.mydomain.com: Host name lookup failure
>
> Any ideas?
>
> Regards
> Unga
>
Hi all
Found the problem. The domain name was expired 2 days ago. That was the last thing I expected :)
Best regards
Unga
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