DDNS service from Mikrotik is experiencing instabilities? I also can’t update the RouterBoard.
Nope, has been working flawlessly for ages (at my sites).
Sounds like you are having DNS problems (causing DDNS problems).
Can you please give some information:
What error do you get?
How is the router (what router are you talking about) connected to Internet?
What RouterOS version are you running?
What does your configuration look like (better, can you please share your /export hide-sensitive file=router)?
Was down for me 2020-07-14 16:20 GMT +2 at least. Could not reach Mikrotik nameservers from any locations. Noticed it by coincidence, as I am not actively monitoring it