Server stopped DNS name resolution

[E.S. Rosenberg]

They basically told you "use google dns servers instead/in addition to
ours", could be they were suffering problems with their DNS or they
changed IPs...

2015-03-22 13:13 GMT+02:00 Gabor Szabo <gabor at szabgab.com>:
> I tried that, and although I am not sure what should I look for in there it
> seems to be claiming
>
> rt_sigsuspend([];; connection timed out; no servers could be reached
>
>
> I tried to telnet 72.14.179.5 53  (one of the DNS servers) and that did not
> got a response.
>
>
> Anyway, Linode support told me to add this to the resolve.conf
>
> nameserver 8.8.8.8
>
> nameserver 8.8.4.4
>
>
> and that seemed to do the trick.
>
> Gabor
>
> On Sun, Mar 22, 2015 at 1:00 PM, guy keren <guy.choo.keren at gmail.com> wrote:
>>
>>
>> run this on the host:
>>
>> strace host www.google.com
>>
>> and scan the output.
>>
>> more efficient then guessing.
>>
>> --guy
>>
>> On 03/22/2015 12:50 PM, Gabor Szabo wrote:
>>>
>>> Hi,
>>>
>>> I run an Ubuntu based VPS on Linode.
>>> I few hours ago the machine stopped resolving hostnames.
>>> I think it was after an "aptitude safe-upgrade" and a reboot, but I am
>>> not sure. Maybe was like this earlier.
>>>
>>> It takes ages to ssh to it, once I got to the machine I can ping IP
>>> addresses from it, but I cannot ping anything with a hostname.
>>>
>>> this is what I have in resolv.conf
>>>
>>> # cat /etc/resolv.conf
>>>
>>> domain members.linode.com <http://members.linode.com>
>>>
>>> search members.linode.com <http://members.linode.com>
>>>
>>> nameserver 72.14.179.5
>>>
>>> nameserver 72.14.188.5
>>>
>>> options rotate
>>>
>>>
>>> I tried to replace the nameservers with others that are listed in
>>> another of my servers, but that did not make a change.
>>>
>>> How can I track down what has the server stopped resolving hostnames?
>>>
>>> Accessing the server via HTTP work as expected.
>>>
>>> Gabor
>>>
>>>
>
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