ISRG Root X1 site err_cert_date_invalid

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My domain is:

I ran this command: ISRG Root X1 > On some devices, opened error ( err_cert_date_invalid )

It produced this output:

My web server is (include version): centos 6

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): yes

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): certbot 1.10.1

Hi there,
That site looks like it's serving Let's Encrypt's currently recommended chain, which should work on most devices. What specific devices is it not working on?

1 Like

i don't know.. that some of the PC.

it show this view.
but, red part click, https-page is show.
Although, It doesn't look like a green lock.

i see this blog, resorved!
but.. Is this a fundamental solution?

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