Yahoo Domain .., how do I lock and unlock my domain?
When you sign the contract for a Yahoo! plan that includes a 'domain name', your domain will be locked automatically. You can unlock and relock your domain anytime, however we recommend locking despite only playing in case you need to make changes to the server 'domain name' you.
To unlock or relock your domain, visit your Domain Control Panel and click "Edit Domain Locking" link to the following pages, you will see your domain lock status. Click "Open Domain Key" or "Domain Lock" key to change the status of your key.
You can also unlock your domain from the "DNS". Viewing Domain Control Panel and clicking the "Manage Advanced DNS Settings" link. If your domain is locked, you must explore "Unlock Domain" button near the bottom of the page, namely the "Name Servers". Click this section to unlock your domain.
Please note that only the owner can plan to unlock your domain. If you need to unlock your domain, be sure to / relock it on as soon as possible. Apart from that, note that the Domain can not be modified pending; you can change the lock status only active domain.
Yahoo Domain