ubuntu@lp1796501-b:~$ systemd-resolve --status ens3
Link 2 (ens3)
Current Scopes: DNS
LLMNR setting: yes
MulticastDNS setting: no
DNSSEC setting: yes
DNSSEC supported: yes
DNS Servers: 8.8.8.8
DNS Domain: vm
ubuntu@lp1796501-b:~$ dpkg -l systemd|grep ii
ii systemd 237-3ubuntu10.31 amd64 system and service manager
ubuntu@lp1796501-b:~$ host test.asdf
Host test.asdf not found: 2(SERVFAIL)
ubuntu@lp1796501-b:~$ dpkg -l systemd|grep ii
ii systemd 237-3ubuntu10.33 amd64 system and service manager
ubuntu@lp1796501-b:~$ host test.asdf
Host test.asdf not found: 3(NXDOMAIN)
ubuntu@ lp1796501- b:~$ cat /etc/systemd/ network/ 10-ens3. network
[Match]
Name=ens3
[Network] sing=ipv6
DHCP=ipv4
LinkLocalAddres
DNS=8.8.8.8
DNSSEC=yes
[DHCP]
UseDNS=no
ubuntu@ lp1796501- b:~$ systemd-resolve --status ens3
Link 2 (ens3)
Current Scopes: DNS
LLMNR setting: yes
MulticastDNS setting: no
DNSSEC setting: yes
DNSSEC supported: yes
DNS Servers: 8.8.8.8
DNS Domain: vm
ubuntu@ lp1796501- b:~$ dpkg -l systemd|grep ii lp1796501- b:~$ host test.asdf
ii systemd 237-3ubuntu10.31 amd64 system and service manager
ubuntu@
Host test.asdf not found: 2(SERVFAIL)
ubuntu@ lp1796501- b:~$ dpkg -l systemd|grep ii lp1796501- b:~$ host test.asdf
ii systemd 237-3ubuntu10.33 amd64 system and service manager
ubuntu@
Host test.asdf not found: 3(NXDOMAIN)