FWIW my consumer router offers free dynamic DNS for my public IP under asuscomm.com. I've had the router since January 2014 and it still works. Most consumer r

FWIW my consumer router offers free dynamic DNS for my public IP under asuscomm.com. I've had the router since January 2014 and it still works. Most consumer routers I've seen offer automatic private DNS based on the DHCP option for registering a hostname.