I'm suffering from the same bug. First nslookup is w/o VPN, name resolution works just fine. Once I'm connected to vpn clemson.edu names resolve but other domains do not resolve. I did a second set of nslookups at the end of this to show the last.
[chbaker@reacher:~]$ nslookup slashdot.org (01-28 16:47) Server: 127.0.1.1 Address: 127.0.1.1#53 Non-authoritative answer: Name: slashdot.org Address: 216.34.181.45 [chbaker@reacher:~]$ nslookup slashdot.org (01-28 16:47) Server: 127.0.1.1 Address: 127.0.1.1#53 ** server can't find slashdot.org: NXDOMAIN [chbaker@reacher:~]$ ls -l /etc/resolv.conf (01-28 16:47) lrwxrwxrwx 1 root root 29 Dec 5 14:46 /etc/resolv.conf -> ../run/resolvconf/resolv.conf [chbaker@reacher:~]$ cat /etc/resolv.conf (01-28 16:48) # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN nameserver 127.0.1.1 search clemson.edu [chbaker@reacher:~]$ cat /etc/NetworkManager/NetworkManager.conf (01-28 16:48) [main] plugins=ifupdown,keyfile dns=dnsmasq no-auto-default=C8:2A:14:3D:BD:C8, [ifupdown] managed=false [chbaker@reacher:~]$ grep hosts /etc/nsswitch.conf (01-28 16:48) hosts: files dns [NOTFOUND=return] mdns4_minimal mdns4 [chbaker@reacher:~]$ (01-28 16:49) [chbaker@reacher:~]$ nslookup rain.clemson.edu (01-28 16:49) Server: 127.0.1.1 Address: 127.0.1.1#53 Name: rain.clemson.edu Address: 130.127.5.35 [chbaker@reacher:~]$ nslookup www.google.com (01-28 16:50) Server: 127.0.1.1 Address: 127.0.1.1#53 ** server can't find www.google.com: NXDOMAIN [chbaker@reacher:~]$ (01-28 16:51) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1086459 Title: Name resolution over VPN fails; mdns4_minimal returns NOTFOUND To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nss-mdns/+bug/1086459/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs