Symbolics registered the first .com domain, symbolics.com, in 1985.
Symbolics was a Massachusetts computer manufacturer that produced Lisp machines. Its registration made symbolics.com the first commercial domain in the .com top-level domain, which had been created for commercial organizations.
The registration took place on March 15, 1985. The domain later changed ownership several times and became a historical Internet landmark rather than an active corporate address for Symbolics.
A common mix-up is confusing the first .com domain with the first website. The earliest registered domain was symbolics.com, while the first website was created later by Tim Berners-Lee at CERN and used a different domain.