The software is categorized as System Tools.
From the developer:
Mac No-IP will check your IP address at a given time interval checking to see if your IP has changed. If your IP address has changed it will notify our dns servers and update the IP corresponding to your No-IP/No-IP+ hostname.
You may want to check out more Mac applications, such as LiteManager, which might be similar to Mac No-IP.
Network Tools
Network Tools