To edit an existing credit card in your Dynadot account, please follow these steps:

1. Sign in to your Dynadot account.
2. Select "Payments" from the left-side menu bar and click "Credit/Debit Card" on the right.
3. Under the "Name" column, click the link associated with the credit card you want to edit.
4. Edit your credit card information in the provided form.
5. Click on the "Save" button to save your changes.

You can also choose to add another credit card or delete a credit card on this same page.

Please note that this change will not take effect for your open orders. If you have any, please use the "Edit Payment" button next to the order on the summary page to complete the payment manually.

Looking for another way to pay? Check out our list of payment options and currencies.