This site uses an SSL certificate which is marked as testing only and is probably not valid for this reason.
http://www.thawte.com/repository/agreements/trial-ssl-sertificate-subscriber.html
SSL Certificates
Get access to data on 33,194 websites Testing Purposes SSL Customers. We know of 697 live websites using Testing Purposes SSL and an additional 32,497 sites that used Testing Purposes SSL historically and 56 websites in the United States.
Get a list of 33,194 websites using Testing Purposes SSL which includes location information, hosting data, contact details, 697 currently live websites and an additional 128 domains that redirect to sites in this list. 32,497 sites that used this technology previouslyand 56 websites in the United States currently using Testing Purposes SSL.
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