When having issues with AutoSSL check these things:
- restart apache
- check dns for your domain using this site: http://leafdns.com
- try to install acme.sh manually:
CentOS 6 (Issues)
ISSUE: Output of the command "sh /scripts/install_acme"
[Fri Sep 28 15:15:18 MMT 2018] Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: 35 [Fri Sep 28 15:15:18 MMT 2018] Download error.
Check: (Your server probably needs to be updated)
check the CentOS6 version:
Fix Solution: Update Your System