First Domain ever registered

[Koolguy]

Check this out, it was registered on March 15th 1985

http://www.networksolutions.com/cgi-bin/whois/whois?STRING=Symbolics.com&STRING=Search

[KapTinKiRk]

CMU.EDU, PURDUE.EDU, RICE.EDU, UCLA.EDU

were the first registered .EDU domains, all on April 24, 1985. Some other old domains are IBM.COM, HP.COM, DELL.COM, MITRE.ORG

[-bg]

Let's not foget about sex.com ;)