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. crt.sh | 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: ajadberlin.de
I ran this command:certbot certonly -d ajadberlin.de --nginx --debug-challenges --dry-run
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Simulating a certificate request for ajadberlin.de
Challenges loaded. Press continue to submit to CA. Pass "-v" for more info about
Press Enter to Continue
Certbot failed to authenticate some domains (authenticator: nginx). The Certificate Authority reported these problems:
Detail: During secondary validation: Remote PerformValidation RPC failed
Hint: The Certificate Authority failed to verify the temporary nginx configuration changes made by Certbot. Ensure the listed domains point to this nginx server and that it is accessible from the internet.
Some challenges have failed.
Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letse
My web server is (include version): nginx version: nginx/1.18.0 (Ubuntu)
The operating system my web server runs on is (include version): Ubuntu 20.04 LTS
My hosting provider, if applicable, is: GoDaddy
I can login to a root shell on my machine (yes or no, or I don't know): Yes
I'm using a control panel to manage my site (no, or provide the name and version of the control panel): No
The version of my client is (e.g. output of
certbot --version or
certbot-auto --version if you're using Certbot):certbot 1.21.0