DNS-01 challenge (Let's Encrypt)

I followed this post. cf) DNS-01 Challenge: Check the certificate certbot certificates Create a new certificate Prepare E-mail address for notifications from Let’s Encrypt (in followin case You should be ables to change the DNS records (TXT records) of the domain. Create the certificate certbot --manual --preferred-challenges dns certonly \ -d \ -d \ # SAN in the certificate Here is the sample messages. Saving debug log to /var/log/letsencrypt/letsencrypt.