Do an HTTP GET to (and replace the VARIABLES
):
https://dynamicdns.park-your-domain.com/update?host=HOST&domain=DOMAIN&password=PASSWORD&ip=IP_ADDRESS
eg. to update the local.statica.info
DNS A record:
https://dynamicdns.park-your-domain.com/update?host=local&domain=statica.info&password=PASSWORD&ip=127.1.0.1