https://docs.linuxserver.io/images/docker-ddclient/
ddclient - LinuxServer.io
ddclientlinuxserverio
https://help.dyn.com/ddclient.html
Linux Update Client: ddclient Dyn Help Center
Features ddclient is a Perl update client that will update dynamic DNS entries. It is small and full-featured (including HTTPS support) requiring...
linux updatehelp centerclientdyn