I did mine online but I have added some and need to cancel some. I can't remember what all I made. I did get emails but I am afraid I may have missed one or did not get an email for one or two.
you can call disney and they can look them up with you phone number i believe. if you made it online they also send you a confirmation email for each adr. You can check them online under my reservations but you need the conf. # and your phone number. good luck