Cron <root at lock> /usr/local/bin/certbot renew

Tue Oct 5 01:03:07 EDT 2021

Saving debug log to /var/log/letsencrypt/letsencrypt.log

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Processing /etc/letsencrypt/renewal/www.autonlab.org.conf
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Cert is due for renewal, auto-renewing...
Non-interactive renewal: random delay of 307.8664511964082 seconds
Plugins selected: Authenticator webroot, Installer None
Renewing an existing certificate for www.autonlab.org
Performing the following challenges:
http-01 challenge for www.autonlab.org
Waiting for verification...
Challenge failed for domain www.autonlab.org
http-01 challenge for www.autonlab.org
Cleaning up challenges
Failed to renew certificate www.autonlab.org with error: Some challenges have failed.

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All renewals failed. The following certificates could not be renewed:
  /etc/letsencrypt/live/www.autonlab.org/fullchain.pem (failure)
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1 renew failure(s), 0 parse failure(s)
IMPORTANT NOTES:
 - The following errors were reported by the server:

   Domain: www.autonlab.org
   Type:   unauthorized
   Detail: Invalid response from
   https://www.autonlab.org/.well-known/acme-challenge/upuCEWEbz3X2aX8GQ8fjG5qmzNcI2DXv_ojle5q-90A
   [128.2.204.54]: "<html>\r\n<head><title>404 Not
   Found</title></head>\r\n<body>\r\n<center><h1>404 Not
   Found</h1></center>\r\n<hr><center>nginx/1.20.1</ce"

   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.