Translations:STLD/3/en
The initial top level domain names was introduced through the Internet Working Group Domain Requirements (RFC 920) authored by Jon Postel and .Joyce Reynolds in 1984. The original top level domain names include: .arpa (intended to be transitional for the ARPA-Internet), .com (commercial), .edu (education), .gov (government), .mil (military), and .org (organization) as well as two-letter (alpha-2) names identifying countries based on the ISO 3166-1 (ISO Standard for Codes for the Representation of Names of Countries.[1] In 1985, when the TLDs were implemented .net was added and subsequently in 1988 the .int was added for international organizations.