"Please note: The .edu Cooperative Agreement allows registrants that registered .edu domain names prior to the Agreement taking effect October 29, 2001, to reta

"Please note: The .edu Cooperative Agreement allows registrants that registered .edu domain names prior to the Agreement taking effect October 29, 2001, to retain those registrations regardless of whether the registrants meet the current .edu eligibility requirements, so long as they renew their registrations and otherwise follow domain policy" https://net.educause.edu/eligibility.htm https://net.educause.edu/eligibility.htm FWIW the Smithsonian also has a .edu address.