ubuntu@lp1785383-b:~$ dpkg -l systemd|grep systemd
ii systemd 237-3ubuntu10.47 amd64 system and service manager
ubuntu@lp1785383-b:~$ sudo systemd-resolve --reset-server-features
ubuntu@lp1785383-b:~$ sudo systemd-resolve --flush-caches
ubuntu@lp1785383-b:~$ time host test.test
test.test has address 1.2.3.4
real 0m5.024s
user 0m0.012s
sys 0m0.008s
ubuntu@lp1785383-b:~$ dpkg -l systemd|grep systemd
ii systemd 237-3ubuntu10.48 amd64 system and service manager
ubuntu@lp1785383-b:~$ sudo systemd-resolve --reset-server-features
ubuntu@lp1785383-b:~$ sudo systemd-resolve --flush-caches
ubuntu@lp1785383-b:~$ time host test.test
test.test has address 1.2.3.4
ubuntu@ lp1785383- b:~$ dpkg -l systemd|grep systemd lp1785383- b:~$ sudo systemd-resolve --reset- server- features lp1785383- b:~$ sudo systemd-resolve --flush-caches lp1785383- b:~$ time host test.test
ii systemd 237-3ubuntu10.47 amd64 system and service manager
ubuntu@
ubuntu@
ubuntu@
test.test has address 1.2.3.4
real 0m5.024s
user 0m0.012s
sys 0m0.008s
ubuntu@ lp1785383- b:~$ dpkg -l systemd|grep systemd lp1785383- b:~$ sudo systemd-resolve --reset- server- features lp1785383- b:~$ sudo systemd-resolve --flush-caches lp1785383- b:~$ time host test.test
ii systemd 237-3ubuntu10.48 amd64 system and service manager
ubuntu@
ubuntu@
ubuntu@
test.test has address 1.2.3.4
real 0m0.023s
user 0m0.013s
sys 0m0.000s