U.NU is a free URL Shortener Service.
Why u.nu is the 1-4-u
u.nu is one of the shortest domain name available.
u.nu isn’t picky about upper- and lower-case, so you can easily read your URLs to someone over the phone, or send them via SMS.
u.nu is a palindrome (if you ignore the dot).
u.nu is unique. She never died.