Please add DuckDNS as a Dynamic DNS provider.
SFOS v18 adds support for DNS-o-matic, which in turn supports DuckDNS as well as dozens of other dynamic DNS providers.
J mIchael commented
Please add DuckDNS
I agree with possibility with possibility to implement updates to own dynamic dns provider. I think the best way to do this would be ability to run and schedule own scritp(s) (sh and maybe also python) as some unprivileged user. This user could have limits to few max processes and his processes could be with lower priority, but It would also solve many other needs that people and customers have. That include many of ideas I read here.
add features to implement my own dynamic dns provider.