I'm seeing a similar issue on current Ubuntu Yakkety with Android phone
AP via WPA2-personal:
$ systemd-resolve www.guugle.com
www.guugle.com: 208.73.210.200
208.73.210.214
208.73.211.178
208.73.210.217
-- Information acquired via protocol DNS in 13.6889s.
-- Data is authenticated: no
`host www.guugle.com` and nslookup on the other hand return immediately
during this time. Disabling DNSSEC and restarting systemd-resolved using
the instructions above has no effect (the above trace is after
disabling).
syslog contains the lines:
Oct 31 20:25:41 xxxxx systemd-resolved[5309]: Using degraded feature set
(UDP+EDNS0+DO) for DNS server 127.0.0.1.
resolv.conf contains only `nameserver 127.0.0.1`. The problem disappears
if I add also the line `nameserver 192.168.43.1` (that's the upstream
DNS) --- however, the following line appears in the logs:
Oct 31 20:34:05 xxxxx systemd-resolved[5309]: Using degraded feature set
(UDP) for DNS server 192.168.43.1.
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https://bugs.launchpad.net/bugs/1609546
Title:
Slow DNS lookup through Netgear DG834G V4 router
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