Re: [gentoo-user] Something went wrong with DNS, plz help!

[Jc García]

2014-07-26 9:23 GMT-06:00 Grand Duet <grand.duet@×××××.com>:
> The first reboot after recent update of the system have
> shown that I cannot open any webpage in Firefox.
>
> More exactly, Firefox or my system cannot any more resolve
> URL to IP address (sorry if I use wrong terms).
>
> Thus,
>    host gmail.com
> gives:
>    ;; connection timed out no servers could be reached
>
> Nevertheless
>     dig @8.8.8.8 gmail.com
> reports the corresponding IP adresses.
>
> I have not changed any my network settings and my
> /etc/conf.d/net file still contains list of my DNS servers
> that contains server 8.8.8.8 as well but somehow it is
> not enough any more. :(
>
> During my last system update, I suddenly found that
> I had to update about 150 packages, what was a little
> bit strange as I update my system at least once a week.
>
> I have attributed that to the remnants of gnome2 (now I am using
> fxce4) that I have not cleaned completely and that is now going
> to update. So, I deviated a bit from my usual system update routine
> trying to fix that. Nevertheless, as to my view, during my system update
> I did nothing to distroy the DNS lookup.
>
> Luckily, I save my system update logs and now can attach
> the last one to this e-mail.
>
> Please, help me to recover my internet access,
> as I still have to do a lot of real work till Monday
> and have not enough time to investigate this problem
> alone and without a proper internet access. :(
>
>
>

You did verify your settings where correctly used to generate
/etc/resolv.conf ? if not, append some known dns to that file this
way:
nameserver 8.8.8.8
nameserver 8.8.4.4

verify connection to your gateway and internet with ping.