Hello @Esserg, welcome to the Let's Encrypt community.
You are using the HTTP-01 challenge which states "The HTTP-01 challenge can only be done on port 80."
There seems to be Geo Blocking shown here Permanent link to this check report and here Permanent link to this check report.
Please read these:
Edit
And using the online tool Let's Debug yields these results https://letsdebug.net/chitatel.by/2350920 and https://letsdebug.net/uchitel.by/2350921