Hi @Solsku
Letsencrypt has changed the own CDN, so using an old ip can't work.
See
Your server is able to connect Letsencrypt, so that isn't the problem.
But you use acme.sh. There are changes. First step: Update your acme.sh.
Yep, the nonce-problem:
Could not get nonce, let's try again.
An update is required.