Please note that your forum name is used for change ownership requests. If you would like to actually push your domain name to another Dynadot user, or if you wish to receive a domain name from another user you can find the described process along with the required steps here: https://www.dynadot.com/community/help/question/change-ownership.
To find your forum name, follow these steps: 1) Sign in to your Dynadot account. 2) Hover over your name in the top right corner. 3) In the account drop-down menu, your forum name is listed above your email address.
Please let us know if you have any questions. You can always contact us here: https://www.dynadot.com/community/about/contact.html.