I'm using Peplink Surf and Soho router and set up DynDNS. Everything works well so far just the DNS update doesn't work.
I've dynamic IP from my ISP and after re-connection DynDNS won't be updated.
I get an error message in the router event log: DDNS: "Domain server XXXXX.spdns.xxx update failed for WAN Telekom. Authentication error."
The login in data are quite updated several times but still the same message.
I'm using login with user name and password and no token. Update URL I tried IP4, IP6 and standard update.spdyn de
Any idea ?