Comment 9 for bug 1818527

Verified for Bionic:

ubuntu@bionic:~$ dpkg -l | grep systemd
ii systemd 237-3ubuntu10.23 amd64 system and service manager

ubuntu@bionic:~$ systemd-resolve --flush-caches

ubuntu@bionic:~$ dig +noall +answer github.com CNAME

ubuntu@bionic:~$ dig +noall +answer github.com A
github.com. 18 IN A 140.82.118.4