Are you trying to setup Dynamic DNS?
Configuring Pi-hole in your router has nothing to do with DynDNS.
Have a read of Pi-hole's post install recommendations and try to adopt that for your specific router.
Are you trying to setup Dynamic DNS?
Configuring Pi-hole in your router has nothing to do with DynDNS.
Have a read of Pi-hole's post install recommendations and try to adopt that for your specific router.