Version 2.13.0 is available upstream. Please consider updating! It seems that version 2.13.0 is available upstream, while the latest version in the Gentoo tree is 2.12.0-r2. You think this warning is false? Read more about it here.
Inadyn, or In-a-Dyn, is a small and simple Dynamic DNS,
DDNS, client with HTTPS support. Commonly available in
many GNU/Linux distributions, used in off the shelf routers
and Internet gateways to automate the task of keeping your
Internet name in sync with your public IP address.
It can also be used in installations with redundant (backup)
connections to the Internet.