Hostname: your DuckDNS hostname (without “.” i.e. The Dynamic DNS configuration can be found under Gateway > DynamicDNS in the Unifi Network UI DuckDNS Note: Replace the red/bold items in the configuration with details specific to your account.
Most providers have a dev page that outlines the request format they support usually a simple URL format and you can modify these examples to suit. If this is the case try the tested configurations below for some poplar providers.
Which means your DDNS isn’t correctly configured and the DDNS provider is simply returning an error to the UDM Pro. You will likely see something like this show up Dec 2 09:42:42 ubnt user.notice inadyn: Update forced for alias xxxxxxx, new IP# ĭec 2 09:42:42 ubnt user.warn inadyn: Fatal error in DDNS server response:ĭec 2 09:42:42 ubnt user.warn inadyn: ^M 400 Bad Request^M ^M 400 Bad Request^M ^M ^Mĭec 2 09:42:42 ubnt user.warn inadyn: Error response from DDNS server, ignoring. Now go edit and save your DDNS configuration in the UI and watch the logs. Inadyn is the service handling DDNS for the UDM-PRO so all the error (or success) messages show up under this one.
