Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. https://crt.sh/?q=example.com), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.
My domain is: lifttechnik.pl
I ran this command: certbot certonly -a manual -d lifttechnik.pl --preferred-challenges http
It produced this output:
My web server is (include version):
The operating system my web server runs on is (include version):
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don't know):
I'm using a control panel to manage my site (no, or provide the name and version of the control panel):
The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):
The certificate you got on 2022-09-21 Common Name is lifttechnik.pl also the Matching Identities is the same. You want Matching Identities to contain both lifttechnik.pl and www.lifttechnik.pl
See crt.sh | lifttechnik.pl
Matching Identities is also know as Alternative names and Subject Alternative Name (SAN)