Your purchase has been declined

[ninalem]

Hello Guyzz
I wanted to ask when i try to purchase something my transaction always gets declined , i buyed a decent cc , and logged in to my setup i use ,vpn and 911 ,and tmac , my setup is good , but when i just go to a porn site and try to buy a 2 days memebership to check the card is always gets declined , please can somebody teach me where im going wrong , glad if someone helped me