ubuntu 20.04 resolv.conf and systemd-resolved

[R C]

Hello,


I am using ubuntu 20.04 on an rpi,  and it's  dns resolution is  messed 
up  (I work with rhel)  so  not that experienced here.


My resolve.conf looks like;

nameserver 127.0.0.53
options edns0 trust-ad
search my-domain.com


but it should more look like;

search my-domain.com
nameserver 192.168.1.1

systemd-resolved is throwing this:

May 21 17:15:24 seismo systemd-resolved[682]: Using degraded feature set 
(UDP) for DNS server 192.168.1.1.
May 21 17:21:18 seismo systemd-resolved[682]: Grace period over, 
resuming full feature set (UDP+EDNS0) for DNS server 192.168.1.1.
May 21 17:25:25 seismo systemd-resolved[682]: Using degraded feature set 
(UDP) for DNS server 192.168.1.1.
May 21 17:28:54 seismo systemd-resolved[682]: Using degraded feature set 
(UDP) for DNS server 192.168.1.1.
May 21 17:47:35 seismo systemd-resolved[682]: Using degraded feature set 
(UDP) for DNS server 192.168.1.1.
May 21 18:11:57 seismo systemd-resolved[682]: Grace period over, 
resuming full feature set (UDP+EDNS0) for DNS server 192.168.1.1.
May 21 18:13:04 seismo systemd-resolved[682]: Using degraded feature set 
(UDP) for DNS server 192.168.1.1.
May 21 18:59:45 seismo systemd-resolved[682]: Using degraded feature set 
(UDP) for DNS server 192.168.1.1.
May 21 19:04:57 seismo systemd-resolved[682]: Grace period over, 
resuming full feature set (UDP+EDNS0) for DNS server 192.168.1.1.
May 21 19:04:57 seismo systemd-resolved[682]: Using degraded feature set 
(UDP) for DNS server 192.168.1.1.


is this something I need to fix in netplan (started happening after an 
update), or stop using that and use something else?  (whatever that is 
on ubuntu)


thanks,


Ron