The Oldest Registered Domains

savingpaper:

symbolics.com was registered on March 15, 1985, making it the oldest known registered domain name.

Other notables:
• purdue.edu - 4/24/85
• harvard.edu - 6/27/85
• xerox.com - 1/9/86
• indiana.edu - 3/3/86
• adobe.com - 11/17/86
• apple.com - 2/19/87

(via digg)