Paypal Access Denied, You don’t have permission to access www.paypal.com on this server.

Paypal Access Denied, You don’t have permission to access www.paypal.com on this server.

One of my clients just paid my invoice, and it’s time to check on Paypal’s dashboard. When I tried to open Paypal’s website there is an error message “Access Denied” You don’t have permission to access “https://www.paypal.com/” on this server. I never see this error before, the last time I access Paypal last week everything…