I actually have registered 6 domains under two different email addresses for a total of $12. Freaking amazing price. I don't know if there is a coupon, but I found this deal by searching "domains are free" on Google. When you do that you will see the promo in one of the adwords. Somebody is getting paid, but it's not me: The adwords are NOT mine. I just wanted to share the awesome deal with you guys.