Server stopped DNS name resolution

[guy keren]

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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