I think there may be an issue with the DDNS updater. I have been using the DynDNS (https) dynamic updater continuously for quite a few years between tomato versions, setting it to update every 12 days (You must update once every 30 days to keep your domain active). Strangely enough, after updating to shibby's v110 firmware (build K26RT-N for Asus RT-Nxxx), my domain somehow expired, even though I had it enabled (I missed the DynDNS e-mail telling me to update my ip within 5 days). I re-created a new domain the same day, and flashed to v112 when it was released.
Fast forward to yesterday; my DDNS service was enabled and running (showing 'update successful' a few days before). I checked my e-mail and saw another warning e-mail from DynDNS, asking me to update my ip, or else my domain would expire in 5 days. This is strange because you have to update your ip with dyndns at least once every 30 days. If my ip was really updated a few days before, I should not have been receiving the e-mail.
Has anyone else experienced problems? I am puzzled why I got an 'update successful' message a few days before. I don't know where the error lies. The only thing that has changed for me is that I updated firmware, so I can only assume there may be something malfunctioning in the new firmware I installed.