Cannot renew on plesk

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My domain is:
I ran this command:
Plesk renew
It produced this output:
Could not issue an SSL/TLS certificate for

Could not issue a Let's Encrypt SSL/TLS certificate for Authorization for the domain failed.


Invalid response from


Type: urn:ietf:params:acme:error:connection

Status: 400

Detail: Fetching Timeout during connect (likely firewall problem)

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):

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you're using Certbot):

You have both an A and AAAA record in your DNS for IPv4 and IPv6. That's fine but your IPv6 address is not working right. You should correct that or remove the AAAA record.

The error shows your IPv4 address but Let's Encrypt servers prefer the AAAA IPv6. Sometimes it shows the IPv4 address in the message even when IPv6 is the cause.

This site is often helpful to test changes to your IPv6 config


Thanks, I will check on that. Fixed the SSL problem -- just had to turn off all the https and forcing options. Then it installed the new cert without complaint.

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