My LAN IP is still changing after every reboot, from 192.168.0.1 to something else. I have my WAN DNS set to a local address within the LAN IP subnet, and I lose my internet connection on every reboot

What is the Nameserver IP or Domain name for the DDNS service offered by TP-Link? I can't traceroute or ping the domain hostname and I need to update my domain dns nameservers to include TPLink's.