help auto updating dynamic IP to my domain

[ruzifan]

hey guys,

so i have a dynamic public ip address. I also have a domain registered with godaddy. so i setup DNS there to link my public ip to that domain. Now when i go to www.XXXXXX.com it takes me to my public IP.

what i need help with is how do i setup a CRON job so go daddy automatically updates my public ip should it change?

before i used duckdns and there was an option to copy a URL and set it up in CRON job and it updated the public IP by itself.