Script makes stuff like DynDNS with IPv4 (A) and IPv6 (4A). Check the current IP with DNS-Records and update them if the IP has changed. Also update Dummy Record "1.1.1.1/2606:4700:4700::1111" with the public IP.
For DyDNS requierd: https://github.com/lroehrs/getIP