[SOLVED] DynDNS does not update after external IP changed, cannot force it either

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Problem fixed, I had to delete my domain, and re-activate it to make the updates work for dyndns.

  1. get a .local domain
  2. move all apps to the .local domain
  3. make sure you have your domain recovery password, if not create a new one in the interface
  4. remove the domain and any of it’s sub-domains.
    5.add a new domain with the same name as your old one (as I wanted to keep the name)
    6.renew your let’s encrypt certificate

enjoy your recovered access to your server.

Good luck