Using Fritzbox Wireguard with static IP
AVM tries to convince you to use their MyFritz service or another dyndns provider to use the new Wireguard
VPN which the new Fritzbox software supports.
Since I have a static IP and my own domain pointed to it, I have one of the use cases where a dyndns should not
be required. Perform the following workaround to enable Wireguard:
Go to the Dyndns settings and activate the use the following settings:
Use DynDNS: checked