There're a hard code directadmin ip address (216.144.255.179) in file scripts/doChecks.sh that make 404 error
eg
wget -O /var/named/named.ca http://216.144.255.179/named.ca
wget -O /var/named/localhost.zone http://216.144.255.179/localhost.zone
wget -O /var/named/named.local http://216.144.255.179/named.local
It should change to hostname www.directadmin.com
eg
wget -O /var/named/named.ca http://216.144.255.179/named.ca
wget -O /var/named/localhost.zone http://216.144.255.179/localhost.zone
wget -O /var/named/named.local http://216.144.255.179/named.local
It should change to hostname www.directadmin.com