Command Line for generating a Wildcard SSL Certificate with Let's Encrypt:

certbot certonly --manual --preferred-challenges=dns --email Diese E-Mail-Adresse ist vor Spambots geschützt! Zur Anzeige muss JavaScript eingeschaltet sein. --server https://acme-v02.api.letsencrypt.org/directory --agree-tos -d example.com -d *.example.com

 Replace example.com with your Domainname.

The command options above are explained below:

• certonly:                                     Obtain or renew a certificate, but do not install
• –manual:                                    Obtain certificates interactively
• –preferred-challenges=dns:      Use dns to authenticate domain ownership
• –server:                                      Specify the endpoint to use to generate
• –agree-tos:                                 Agree to the ACME server’s subscriber terms
• -d:                                               Domain name to provide certificates for

After executing the command above, Let’s Encrypt will provide a text string to add a text record to your DNS entry…

Example:

Saving debug log to /var/log/letsencrypt/letsencrypt.log Plugins selected: Authenticator manual, Installer None ------------------------------------------------------------------------------- Would you be willing to share your email address with the Electronic Frontier Foundation, a founding partner of the Let's Encrypt project and the non-profit organization that develops Certbot? We'd like to send you email about EFF and our work to encrypt the web, protect its users and defend digital rights. ------------------------------------------------------------------------------- (Y)es/(N)o: y Obtaining a new certificate Performing the following challenges: dns-01 challenge for example.com ------------------------------------------------------------------------------- NOTE: The IP of this machine will be publicly logged as having requested this certificate. If you're running certbot in manual mode on a machine that is not your server, please ensure you're okay with that. Are you OK with your IP being logged? ------------------------------------------------------------------------------- (Y)es/(N)o: y ------------------------------------------------------------------------------- Please deploy a DNS TXT record under the name _acme-challenge.example.com with the following value: x4MrZ6y-JqFJQRmq_lGi9ReRQHPa1aTC9J2O7wDKzq8 Before continuing, verify the record is deployed.Go to your DNS provider portal and add a text record for the string above and save…