Connection Error on Validation

Hello,

I'm trying to validate a copy of Chronoforms 6, but getting this error: We could not connect to the chronoengine.com web server.

What would be causing this error?

And I do see the serial number field, however the numbers I have available / have tried are not working with that field. Is there something specific I should be using for this field?

Does your server have curl enabled and is there any limits on the domains to connect to?

Our host has confirmed that curl is enabled.

I was attempting validate a copy of CF6 with a key that is supposed to be unlimited, to my knowledge. Is that still valid?

if the error is "we could not connect" then it's a connection problem, does the curl have a list of allowed URLs ?

We checked with our host, and there is not a list of allowed URL's.

can you post a screenshot of the error or send it by the "contact" form ?