SSL Certificate unable to auto renew

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IP blocked? Can some one help me to solve it?

My domain is:
I ran this command:
It produced this output:
Could not get nonce, let's try again.
[Thu Aug 12 22:46:55 EDT 2021] The new-authz request is ok.
[Thu Aug 12 22:46:55 EDT 2021] Error, can not get domain token entry
[Thu Aug 12 22:46:55 EDT 2021] Please check log file for more details: /root/
[Thu Aug 12 22:46:55 EDT 2021] Error renew

My web server is (include version):
Server version: Apache/2.2.15 (Unix)

The operating system my web server runs on is (include version):
CentOS release 6.4 (Final)
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): version: 2.8.1

Hi @hxiao, and welcome to the LE community forum :slight_smile:

It seems that challenge requests to your site are being redirected to another site (incorrectly):

curl -Iki
HTTP/1.1 301 Moved Permanently
Date: Fri, 13 Aug 2021 19:32:44 GMT
Server: Apache

You can either fix the redirection OR use --webroot method to place the challenge token/response in that other site location (since both names resolve to the same IP).

I would prefer to fix the problem than to workaround it :wink:

here is another log message, just want to double check if it point to the same issue´╝č

[Thu Aug 12 22:50:03 EDT 2021] url=''
[Thu Aug 12 22:50:03 EDT 2021] timeout=
[Thu Aug 12 22:50:03 EDT 2021] _CURL='curl -L --silent --dump-header /root/ -g '
[Thu Aug 12 22:50:03 EDT 2021] ret='0'
[Thu Aug 12 22:50:03 EDT 2021] Could not get nonce, let's try again.

I don't know well enough to comment on those logs entries.

I can speak with certainty on the incorrect redirection mentioned above.
Which is more than enough to break any ACME client trying to validate via HTTP.

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