If you lost your cellphone or cannot access your Google Authenticator app, you will need to get your settings reset.
If you can not log in at all, On the login page, once you have entered your username and password, and the screen loads to the code page, you will see "Lost Cellphone" under that.

Inside your account here is how to submit your reset request, please follow these steps:

1. Sign in to your Dynadot account.
2. Select "Security" from the "My Info" drop-down menu.
3. Click on "Unlock Account" button.
4. Click on the "Lost Cellphone" link on the new page.
5. Enter the answer to your secret question or select one of your secret questions if you have set up 3, and provide any additional information below. Please note that your secret answer must exactly match what you entered when you created it.
6. Click on the "Submit Request" button to submit your request.

A Dynadot team member will review your request before updating your Google Authenticator or SMS settings. We may contact you at your account email if we need you to provide additional information.