Tag - Telephone Number

What is an IP address and MAC Address

8. What is an IP address?

An IP address (also called an IP number) is a number (typically written as four numbers separated by periods, i.e. or which uniquely identifies a computer that is making use of the Internet. It is analogous to your telephone number in that the telephone number is used by the telephone network to direct calls to you. The IP address is used by the Internet to direct data to your computer, e.g. the data your web browser retrieves and displays when you surf the net. One task of DHCP is to assist in the problem of getting a functional and unique IP number into the hands of the computers that make use of the Internet.

9. What is a MAC address?
A MAC address (also called an Ethernet address or an IEEE MAC address) is a number (typically written as twelve hexadecimal digits, 0 through 9 and A through F, or as six hexadecimal numbers separated by periods or colons, i.e. 0080002012ef, 0:80:0:2:20:ef) which uniquely identifes a computer that has an Ethernet interface. Unlike the IP number, it includes no indication of where your computer is located. In DHCP’s typical use, the server uses a requesting computer’s MAC address to uniquely identify it.




Billing Contact Details

The location where registration fee invoices are sent. This section requires the full name, address, telephone number, fax number and e-mail address. Certain registration organizations will send regular mail invoices and reminders so having correct information here is vital.

Primary and Secondary Name Servers (DNS)

This section usually requires both the name and IP address of the name servers that will be authoritative for your domain. Generally but not always these will be the responsibility of the Technical contact.

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Contact Details

Technical Contact Details

Generally the Technical contact also supplies the DNS service for convenience (but this is NOT essential). This section requires the full name, address, telephone number, fax number and e-mail address of the technical or DNS delegation authority.


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