Here you can easily buy DFI with credit card or SEPA. In the course of the process you will be asked for your wallet address which you can enter. 

(Always check that DFI is written to the right of “your receive”.) 

Transak, the payment provider, incorrectly blocked our integrated payment system. We reported it to Transak to release it again. In the meantime, you can open it directly here. click here