Problem while running letsencrypt script

I’ve used letsencrypt to produce auto ssl on zimbra
I entered a correct domain and webroot path of nginx, but I get an error yet!

  • The following errors were reported by the server:

    Domain: mail…ir
    Type: connection
    Detail: Fetching
    To fix these errors, please make sure that your domain name was
    entered correctly and the DNS A/AAAA record(s) for that domain
    contain(s) the right IP address. Additionally, please check that
    your computer has a publicly routable IP address and that no
    firewalls are preventing the server from communicating with the
    client. If you’re using the webroot plugin, you should also verify
    that you are serving files from the webroot path you provided.

It’s hard to say.

What’s the real domain?

Is it accessible from the Internet?

If it has IPv6, does it work?
It is accessible from the internet. It doesn’t have IPv6.

It isn’t working here or with any of the countries at Not even from within Iran, according to :slightly_frowning_face:

I corrected the problem that you have mentioned, now I get below error:

If you create a file /path/to/your/webroot/.well-known/acme-challenge/test.txt does it show up at or do you also get an error?

Do you perhaps have an .htaccess file in the top level of your webroot that may be interfering with allowing your webserver to serve this file?

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