There are over 2500 RFC's. Each RFC is known by a number. For instance, RFC 1180 presents a tutorial on TCP/IP, RFC 1920 lists the current standards RFC's and explains the RFC standards process, and RFC 1941 is a FAQ list on the topic of Internet deployment in educational establishments.
MX record. A mail exchanger record (MX record) is a type of resource record in the Domain Name System that specifies a mail server responsible for accepting email messages on behalf of a recipient's domain, and a preference value used to prioritize mail delivery if multiple mail servers are available.
Mexico City is the capital city of Mexico. It has a population of 12,294,193, and is located on a latitue of 19.43 and longitude of -99.13.Mexico City is also the political center of Mexico, which is considered a Republic, and home to its Executive head of state.he currency of Mexico is the Mexican Peso (MXN). As well, the people of Mexico are refered to as Mexican. The dialing code for the country is 52 and the top level internet domain for Mexican sites is .mx. Mexico shares land borders with 3 countries: United States Of America, Guatemala, Belize.