DuckCorp Dico

Found one definition

1.                 From en.wikipedia.org:
                   
   
   
                   
                     
   X500 may refer to:
   
    - X500 glofiish , a cellphone by former Taiwanese electronics manufacturing company E-TEN
    - X.500 , a series of computer networking standards
    - _X500_  (film) , a Canadian-Colombian-Mexican coproduced drama film released in 2016
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