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

Tue Aug 3 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 220.7905256686257 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
   http://www.cs.cmu.edu/afs/cs/user/predragp/www/index.html/.well-known/acme-challenge/0KmBUaypxSdnDUIq1Wo00d_vNj6jXrfkAtpL09Rticw
   [128.2.42.95]: "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01
   Transitional//EN\"
   \"http://www.w3.org/TR/html4/loose.dtd\">\n<html>\n<head>\n<meta
   http-"

   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.