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Domain Name Basics

by tcikbAdmin — last modified Oct 26, 2015 07:51 AM

A domain name:

  • Is a name used to identify your presence on the Internet
  • Attaches a name to a person or company's email or website addresses so the person or company can readily be found
  • May be used for a website, e.g.,, an email, e.g.,, or both
  • Allows the moving of email or website to a different provider without affecting the person or company's customers
  • Must be hosted somewhere
  • Is not the same thing as having a website
  • Must be unique, not already registered
  • Consists of two parts separated by a period (dot):
    1. Your chosen name, e.g., yourcompany
    2. The extension, e.g., .com, .net, .org, etc.
  • Contains any letters and numbers, but no punctuation marks other than a hyphen (-)
  • May be no more than 63 characters long

For more information about domain names and policies, see the The Internet Corporation for Assigned Names and Numbers (ICANN) FAQs.