CCTV Stream Viewer Software via DDNS connection from DVR or NVR devices

We would like to develop a python code which will pull real time multiple streams from DVR or NVR devices which are set to no-ip or other ddns server with username and password.

An example ddns setting page (on DVR)
https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTPDuZoJb5xRleiHHuyRJuSbb88WmIDKqzfVw&usqp=CAU