(gone)
A great little program for updating https://www.noip.com/
If reinstalling, be sure to restore /usr/local/etc/no-ip2.conf
As the project was replaced, apparently-abandoned and had an open security issue, it was removed from Debian’s repositories.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=653957
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=601229
