7 oldest domains

1. symbolics.com - March 15, 1985
2. bbn.com - April 24, 1985
3. think.com - May 24, 1985
4. mcc.com - July 11, 1985
5. dec.com - September 30, 1985
6. northrop.com - November 7, 1985
7. xerox.com - January 9, 1986