This is a tool that uses the netcup API to update DNS records. There are already other projects with that functionally, but this one is just a single binary and does not depend on PHP or other runtime environments.
Compile
You need cargo to compile:
cargo build --release
Configure
Edit the netcup-config.dist.json file according to your needs.
Run
cargo run --release -- --config <path_to_my_config_file>