On 13 June 2017 at 16:37, Chris Green cl@isbd.net wrote:
Have you tried my workaround of modifying /etc/resolvconf/resolv.conf.d/head as follows:-
Yes, I tried that after your post on the subject but it didn't work for me (my problem is similar but subtly different). I did reply to your post at the time, shout if it never turned up.
Also, do you have a secondary DNS returned by your DHCP server? This can cause the same problem because 17.04 will change to the secondary DNS and *stay* there if there's any sort of hiccough with the first DNS.
I've always understood this to be correct behaviour (ie specifying two DNS servers will pick one and stick with it until it can't reach it, not try one then try the other if it didn't get a successful lookup (was was able to talk to the server).
I only have one DNS setting, but yes it is set via DHCP. (At that bit works: I can resolve anything with a dot in it but nothing without!)