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My domain is:office.limefamily.cn
I ran this command: sudo certbot certonly --standalone
It produced this output: The server could not connect to the client to verify the domain :: Failed to connect to 18.104.22.168:443 for TLS-SNI-01 challenge
My operating system is (include version):CentOS 7
My web server is (include version):nginx 1.11
My hosting provider, if applicable, is:
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):
I doubt if let`s encrypt server can reach my site.Can someone ping it,and let me konw.