You can access the Tigerair Taiwan (designator code: IT) website at the following link.
Tigerair Taiwan - Manage my booking
However, you will not be able to retrieve your booking using your own email address, because the reservation was made through DeNA TRAVEL.
If you wish to add checked baggage, see your itinerary, etc. please follow the steps below to login to the Tigerair Taiwan website using your Airline Reservation No, written on your e-Ticket/itinerary Receipt (you can download it on DeNA TRAVEL My Booking page ) under Basic Info as Airline Reservation No (6 digit alphanumeric).
- Visit Tigerair Taiwan - Manage my booking
- Input your booking information: Booking Reference (not DeNA Itinerary Number, please check Airline Reservation Number on your e-Ticket/itinerary Receipt), first and last name.
*If you entered your middle name into your passenger name, please enter first and middle name together.
- Click "retrieve booking".
*Even if you clicked "resend itinerary" it can not be sent to your own email address because the reservation was made through DeNA TRAVEL.
From there, you will be able to add and pay for baggage, meals, etc. to your reservation for each passenger.