openwrt-packages-dist/net/ddns-scripts/files/usr/share/ddns/default/dnsmax.com.json

{
	"name": "dnsmax.com",
	"ipv4": {
		"url": "http://update.dnsmax.com/update/?username=[USERNAME]&password=[PASSWORD]&resellerid=1&clientname=openwrt&clientversion=8.09&protocolversion=2.0&updatehostname=[DOMAIN]&ip=[IP]"
	}
}