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My domain is:
I ran this command:
certbot certonly --standalone -d my.domain.com
It produced this output:
The following errors were reported by the server:
Detail: Failed to connect to 123:.456.789.123:443 for TLS-SNI-01
My operating system is (include version):
My web server is (include version):
node.js/express (which is not running)
I can login to a root shell on my machine (yes or no, or I don’t know):
My iptables allows all outgoing traffic, and all incoming on port 443.