This is a simple Cloudflare Dynamic DNS client, which updates a record to the current public IP address. I have created this as I couldn't find a very simple solution to this very simple problem.
The following packages must be installed on your system.
$ go install git.sr.ht/~humaid/cloudflare-ddns-client $ export APIKey=<API KEY here> $ export Zone=<Zone ID here> $ export RecordName=<Full record name here, e.g. foo.example.com> $ cloudflare-ddns-client
You will have to create an API token
which has the permission to edit zone DNS (
This program will check every minute unless interrupted.