I have a similar issue on a fresh 17.10 install: global sites are resolving OK, but local corporate sites not resolving
firther investigation: # systemctl status systemd-resolved-update-resolvconf.service ● systemd-resolved-update-resolvconf.service Loaded: loaded (/lib/systemd/system/systemd-resolved-update-resolvconf.service; static; vendor preset Active: inactive (dead) Condition: start condition failed at Tue 2017-12-19 14:05:37 MSK; 2 days ago └─ ConditionFileIsExecutable=/sbin/resolvconf was not met # dpkg -l resolvconf Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-====================-===============-===============-============================================= un resolvconf <none> <none> (no description available) #apt install resolvconf fixed the issue -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1725840 Title: resolvconf not correctly configured after update from 17.04 to 17.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/resolvconf/+bug/1725840/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs