Invalid response from

Hi @CapuzDE

looks like Certbot doesn't understand your config.

The main things are ok (checked with https://check-your-website.server-daten.de/?q=skybeast.de ):

Domainname Http-Status redirect Sec. G
http://skybeast.de/
134.255.240.45 200 0.293 H
https://skybeast.de/
134.255.240.45 -2 1.057 V
ConnectFailure - Unable to connect to the remote server No connection could be made because the target machine actively refused it 134.255.240.45:443
http://skybeast.de/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
134.255.240.45 404 0.034 A
Not Found

There is no older certificate, so https doesn't work. But port 80 is open, /.well-known/acme-challenge has the correct http status 404.

So check your vHost to find your DocumentRoot, then use it:

certbot run -a webroot -i apache -w yourDocumentRoot -d skybeast.de