Thanks!
I know this is an old thread but I have tried the debug from @wimpunk and it works flawlessly. It updates the namecheap DNS entries with the correct IP addresses. I have the folder /var/run/ddclient and it is owned by ddclient.ddclient with 744 permissions. The folder contains 0 files but the application is not running. Further, I have removed the DDCLIENT_OPTIONS="-deamon 300" from the /etc/sysconfig/ddclient. Yet I continue to have the failure to start the ddclient as a service. [root@someserver...