I think you might have some SSL config issues. I get the following message on Chrome:
The server could not prove that it is www.zenefits.com; its security certificate is from *.cloudfront.net. This may be caused by a misconfiguration or an attacker intercepting your connection.
The server could not prove that it is www.zenefits.com; its security certificate is from *.cloudfront.net. This may be caused by a misconfiguration or an attacker intercepting your connection.