Cant renewed my Let's Encrypt

Hi all, i was try to renew my server, and i was got this problem


  • The following errors were reported by the server:

Domain: server01.*.
Type: unauthorized
Detail: Invalid response from
]: 324

What I can to do?

Ubuntu 16.04

Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g., so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is:

I ran this command:

It produced this output:

My web server is (include version):

The operating system my web server runs on is (include version):

My hosting provider, if applicable, is:

I can login to a root shell on my machine (yes or no, or I don’t know):

I’m using a control panel to manage my site (no, or provide the name and version of the control panel):

And if you go to that URL in your browser, what do you get?

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