All payment processing is handled by an independent secure payment processor. DX is not given any payment information. Please verify the following and contact your credit card issuer if the problem persists.
Incorrect billing information
Card has been reported as lost or stolen
Card has expired
Card has not been activated
Card cannot be used to pay for goods/services in a Cardholder-Not-Present environment (online/over the internet)
3-D Secure (MasterCard SecureCode and Verified by Visa) has not been activated Credit limit reached