If you are interested in learning more about using Smart DNS Proxy API to activate your IP on your own, please log in to your account and click on Smart DNS proxy API link under Options. You can simply bookmark your special link to update your IP or create your own program to execute/run this link on a pre-detemined schedule of your choice.
For simpler solution, you can use Dynamic DNS services such as DynDNS or NoIp to automatically update your IP. Please obtain a dynamic DNS host address from one of the dynamic DNS service providers of your choice, and then enter your host adddress under profile section in your account. We will use this host address to automatically update your IP every time it changes, this means no more interruptions in your service when your ISP decides to change your IP.