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Is it possible in JavaScript to check a remote domain for SSL? The use case is, a user visits my site and enters their domain name into a form, and my JavaScript queries their domain to see if it uses SSL then displays an "SSL" if it does.

I am using jQuery (1.8.2) so I try:

$.ajax({
  type: 'GET',
  url: 'https://the-domain-entered',
  crossDomain: true,
})
.done(function(data) {
  console.log('success: ' + data);
})
.fail(function(data) {
  console.log('fail: ' + data.statusText);
});

This always returns:

fail: error
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