The domain name ".com" is a Generic Top-Level Domain determines by ICANN.  It was uderstood as either international domain names or general domain names.  Its name is derived from "commerce,"indicating its original intended purpose for domains registered by commercial organization.  Later, the domain opened for general purposes.The domain was one of the original Top-Level Domain in the Internet when the Domain Name System was implemented in January 1985. It has grown into the largest Top-Level domain.  .com is operated by Verisign.

Below are the current prices and rules: