i got this information
[2017-02-05 14:34:05] ERR [extension/letsencrypt] Execution of /usr/local/psa/admin/plib/modules/letsencrypt/scripts/cli.php failed with exit code 1 and the output:
Saving debug log to /usr/local/psa/var/modules/letsencrypt/logs/letsencrypt.log
Starting new HTTPS connection (1): acme-v01.api.letsencrypt.org
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for isongbook.nl
Starting new HTTPS connection (1): 127.0.0.1
Waiting for verification…
Cleaning up challenges
Failed authorization procedure. isongbook.nl (http-01): urn:acme:error:unauthorized :: The client lacks sufficient authorization :: Invalid response from http://isongbook.nl/.well-known/acme-challenge/QKTgMtSIOJVzu2PgMh2YVn9AYCvC8yJsB9rWNNAkVtY: "<!doctype html>
IMPORTANT NOTES:
-
The following errors were reported by the server:
Domain: isongbook.nl
<html class="no-js"
Type: unauthorized
Detail: Invalid response from
http://isongbook.nl/.well-known/acme-challenge/QKTgMtSIOJVzu2PgMh2YVn9AYCvC8yJsB9rWNNAkVtY:
"<!doctype html>To fix these errors, please make sure that your domain name was
entered correctly and the DNS A record(s) for that domain
contain(s) the right IP address.
Execution of /usr/local/psa/admin/plib/modules/letsencrypt/scripts/cli.php failed with exit code 1 and the output:
Saving debug log to /usr/local/psa/var/modules/letsencrypt/logs/letsencrypt.log
Starting new HTTPS connection (1): acme-v01.api.letsencrypt.org
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for isongbook.nl
Starting new HTTPS connection (1): 127.0.0.1
Waiting for verification…
Cleaning up challenges
Failed authorization procedure. isongbook.nl (http-01): urn:acme:error:unauthorized :: The client lacks suf