Fix CNAME issues and support acme-dns#731

Merged

timkimber merged 6 commits intomasterfrom acme-dns

Nov 25, 2021

+723-126

Commits on Nov 23, 2021

Add missing utils to rockylinux8 docker file, fix setup fn
timkimber
committed

Commits on Nov 25, 2021

Change to use pgrep (fixes ubuntu14 ftp tests)
timkimber
committed