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ICANN - Internet Corporation of Assigned Names and Numbers. The non-profit organization under U.S. Government contract that manages the domain name system, accredits and oversees domain name registrars, and manages root servers.

ICANN Regulatory Fee - The ICANN Regulatory Fee relates to a mandatory fee that ICANN (Internet Corporation of Assigned Names and Numbers) assesses on each domain name.

IMAP (see Internet Message Access Protocol)

Internet Message Access Protocol (IMAP) - A protocol that allows users to access and manipulate e-mail messages on a mail server. IMAP lets you create, delete, and rename mailboxes as well as check for new messages, remove messages, and search through existing messages. IMAP does not specify a particular means of writing or sending mail; this function is handled by a mail transfer protocol such as SMTP.

Internet - A "network of networks" linking millions of computers worldwide for communications purposes. The Internet was originally developed in 1969 for the U.S. military and gradually grew to include educational and research institutions. Today commercial industries, corporations, and residential users all communicate using the Internet. The World Wide Web is a collection of interactive documents accessible via the Internet.

Internet Service Provider (ISP) - A company that enables companies or individuals to connect to the Internet. ISPs often provide e-mail capability, Web hosting, and other services in addition to connectivity. Large ISPs include America Online, Excite@Home, and Earthlink.

InterNIC - Internet Network Information Center. Formerly, the cooperative activity between the U.S. government and Network Solutions that was responsible for registering and maintaining the ".com," ".net," and ".org" top-level domain names. Many of the InterNIC's functions have now been taken over by ICANN.

IP Address (Internet Protocol Address) - The numeric address of a computer on the Internet. An IP address is written as a set of four numbers separated by periods (each number can range from 0 to 255). An example of an IP address is

ISDN (Integrated Services Digital Network) - A telecommunications technology that allows for digital voice, video, and data transmission. ISDN replaces the slow and inefficient analog telephone system with a fast digital network that can transmit data at up to 128Kbps.

ISP (see Internet Service Provider)







Local Name Server - A server, usually maintained by an ISP, that retrieves and stores domain information, such as hostnames and addresses. Local name servers cache resolved hostname information, so that the user may access infomration more quickly. This provides a faster retrieval of information, but can sometimes result in a display of old information.

Location Box (see Address Bar)



Mail Server - An Internet-connected computer set up to receive e-mail from another server and distribute it to users, and to send e-mail from those users to another server.

Mail Exchanger - A Internet-connected computer that processes or forwards e-mail messages sent to a domain name.

.MIL - The top-level domain reserved for use by the United States military. This TLD is maintained by the Department of Defense Network Information Center.

Mini-Site (see One-Page Mini-Site)

Modem - Acronym for modulator/de-modulator. A hardware device that allows a computer to transmit and receive information over telephone lines. A modem converts digital data from computers into analog data that can be transmitted over the telephone lines. Traditional modems can carry data at speeds of up to 56Kbps.

MX Record (Mail Exchange Record) - Instructions within a Domain Name System (DNS) record that routes e-mail for a particular domain to the proper mail server.


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