I would suggest contacting your hosting provider and explaining that we are unable to access your blog via cURL, which is needed in order to use Jetpack on your site.
You can let them know we tested the following:
1. Check for access to xmlrpc.php via browser:
https://saterlat.com/xmlrpc.php
That test returned “XML-RPC server accepts POST requests only.” which is a valid result.
2. Check for access via cURL by running the following command from the command prompt:
curl -A "Jetpack by WordPress.com" -is -H 'Content-Type: text/xml' --data '<?xml version="1.0"?><methodCall><methodName>demo.sayHello</methodName><params></params></methodCall>' 'https://saterlat.com/xmlrpc.php' && echo
The cURL test returned an empty response, instead of the expected response you can see here for another site:
https://gist.github.com/jeherve/46816c61973377b79aab
Please provide the information above to your hosting provider so that they can correct the server settings to allow cURL access.
I hope this helps.