This is a high priority feature, and will likely be targeted as soon as possible after v17 ships, though it is not yet committed to a release.
13 votesAdminRich Baldry (Senior Product Manager, Network Security Group, Sophos Features & Ideas Laboratory) responded
SFOS v18 adds support for DNS-o-matic, which in turn supports Selfhost.de as well as dozens of other dynamic DNS providers.
An error occurred while saving the commentBjörn Kai Harm commented
Selfhost is one of the most used providers - so it is a must have