DuckCorp Dico

Found one definition

1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   Network Solutions, Inc.
   NSI
      <company> (NSI) One of the three companies that provide and
      coordinate InterNIC services for the NSFNet.  NSI is
      responsible for registration.  NSI has been bought by, and is
      now a wholly-owned subsidiary of, Science Applications
    International Corporation (SAIC).
      (1995-11-09)