GoDaddy.com  strikes again – only this time the deal is even better. For a limited time, register a new domain for only $0.99. Enter promo code 99DOMAIN when checking out. You will be charged a $0.20 ICANN few for a total of $1.19. The domain will be registered for one year after which normal renewal charges will be applied (usually $10 a year). You can cancel at any time.
Domains that are confirmed to work with this promo code:
Source: SlickDeals.net 
If the promo works for you with any other domain then the ones listed above, please leave a comment here to give the rest of us a heads up.
P.S. Also keep in mind all .info domains are for $0.99 + $0.20 ICANN fee for the first year at GoDaddy.com  regardless of if you have this coupon or not.