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Hosting and let's encrypt - "Some challenges have failed"


#1

Hello,
I have an error message during generating SSL cert with let’s encrypt for domain in OVH.
I use for it external VPS, and for sure it works, I just created SSL cert for other domain (non OVH) but for OVH I receive error messages:

root@server529161:/opt/letsencrypt# ./letsencrypt-auto certonly --standalone -d portproinvest.pl -d www.portproinvest.pl
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator standalone, Installer None
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for portproinvest.pl
http-01 challenge for www.portproinvest.pl
Waiting for verification...
Challenge failed for domain portproinvest.pl
Challenge failed for domain www.portproinvest.pl
http-01 challenge for portproinvest.pl
http-01 challenge for www.portproinvest.pl
Cleaning up challenges
Some challenges have failed.

IMPORTANT NOTES:
 - The following errors were reported by the server:

   Domain: portproinvest.pl
   Type:   unauthorized
   Detail: The key authorization file from the server did not match
   this challenge
   "xxxxxxxxxxxxxxxxxx"
   !=
   "xxxxxxxxxxxxxxxxxx"

   Domain: www.portproinvest.pl
   Type:   unauthorized
   Detail: The key authorization file from the server did not match
   this challenge
   "xxxxxxxxxxxxxxxxxxxx"
   !=
   "xxxxxxxxxxxxxxxxxxxx"

   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.