The 4.1.1 version of No-IP DUC is provided as a free download on our software library. The most popular versions of the No-IP DUC 4.1, 4.0 and 3.0. You can set up No-IP DUC on Windows XP/Vista/7/8/10 32-bit. This free software was originally developed by No-IP.com.
Our antivirus check shows that this download is safe. Commonly, this program's installer has the following filenames: DUC40.exe, DUC30.exe, DUC.exe, DUC20.exe and DUC30h.exe etc. The current installer available for download requires 236 KB of hard disk space. No-IP DUC lies within Internet & Network Tools, more precisely Network Tools.
From the developer:
No-IP DUC is a program that allows you to monitor your home remotely via the webcam, access your computer remotely or run your own server from your house on a dynamic IP address. The DNS update client continually checks for IP address changes in the background and automatically updates the DNS at No-IP whenever it alters.
You may want to check out more software, such as No-IP Client, No-IP or Das Unit Converter, which might be similar to No-IP DUC.