text: The domain is marketed by some domain-brokers as a domain for the city of Aachen, Germany, after the automotive license plate designation ("AC") for the city.
  Use as an abbreviation for "academic"
  Due to its similarity to the .ac ("academic") second-level domain that exists under some country code top-level domains, some educational institutions also register under the .ac top-level domain:
  Royal Global University, Guwahati in Assam, India
  The University of Kurdistan - Hawler
  Ralston College in Savannah, Georgia, United States
  Faith Mission Bible College in Edinburgh, Scotland
  It is also used for promotion, campaigns, and URL shortening by various parts of the University of Edinburgh, Scotland
  Promotions and english courses by the University of Cambridge, Cambridge
  The Mahidol Oxford Tropical Medicine Research Unit (MORU) in Bangkok, Thailand
  INFORM (Information Network Focus on Religious Movements), based at the London School of Economics
  Newcastle University, an online university unconnected with Newcastle University in the United Kingdom or the University of Newcastle, Australia
  Dhaka International University in Dhaka, Bangladesh
  Community of Physics, an institution that works to advance physics education and research in Dhaka, Bangladesh
  Other uses
  On 10 December 2013, The Pirate Bay switched to an .ac domain.
  .ac is being used by anti-cheat software Easy Anti-Cheat.
  .ac is occasionally used as an abbreviation for activities and/or accommodation by tourism websites.