In your web hosting and domain name journey you are most likely to come across a number of terms.
Some terms you will come across regularly, others not so regularly.
Here usingjoomla.com hopes to explain briefly what at least some of those terms mean or refer to.
These terms are not exclusive to Joomla! but relate to domain names globally no matter what Content Management System (CMS) you use - or even if you do not use a CMS at all.
If we have missed any out, or have made a mistake - please feel free to let us know.
Numerical Index
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Alphabetical Index
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Glossary of terms beginning with a numeral
1
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2
2LD = 2nd Level Domain (Second Level Domain)
Please also see our article 
Country Code sld
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3
3LD = 3rd Level Domain (Third Level Domain).
Please see our article Third Level Domains
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4
4LD = 4th Level Domain (Fourth Level Domain).
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5
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6
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7
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8
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9
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0
(Zero)
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Glossary of terms beginning with a letter
A
Administrative Contact = The individual, or company, authorised by the domain name Registrant to interact with other people regarding the administration of the Domain Name. It is possible that the Domain Name Registrant is also the Administrative Contact and / or Billing Contact and / or Domain Contact
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B
Billing Contact = The individual, or company, authorised and responsible for Domain Name Billing matters. It is possible that the Domain Name Registrant or Domain Contact or Administrative Contact is also the Billing Contact.
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C
CyberSquatting = The action, or process of registering a Domain Name in order to prevent someone else from registering that Domain Name - usually to prevent a "legitimate" Registrant from acquiring the Domain Name. Sometimes in order to divert traffic from the genuine Domain Name, and / or to sell the Domain Name at an inflated price to the more genuine Domain Name Registrant.
ccTLD = Country Code Top Level Domain. This is the two letter country identifier used in country code Domain Names. For example .uk for the United Kingdom, .nz for New Zealand. See our other article for a complete list of ccTLDs
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D
Deleted Domain = this is an expired Domain Name that has not been renewed during the Grace Period and is available for immediate registration by anyone on a first-come first-served basis.
Domain Contact = the legal owner of a Domain Name. The Domain Contact is the person, or company, responsible for managing a Domain Name. The Domain Contact can also be the Registrant and / or Administrative Contact and / or Billing Contact.
Domain Flipping = the process of registering a Domain Name and then selling it on, typically for a profit. Sometimes, a domain can have a basic pre-installed Content Management System in place so that the subsequent buyer has less work to do in order to start a website from scratch.
Domain Name = the name of your website. Also what follows the "at" (@) symbol in an email address. For example: Our domain name is: usingjoomla.com
Drop Catching = The practice of registering a Domain Name immediately after its previous registration has expired - at the point of expiry the Domain is classed as a Dropped Domain.
Drop Listing (or Drop List) = is a list of expired Domain Names that are soon to be deleted from the Registry of the last Registrant. This can be a source of Domain Names that have particular value.
Dropped Domain = a Domain Name is usually registered for a period of time - anything from one year up to 10 years. At or very near the end of the registered period if the Domain Name registration is not renewed it goes through a period where if the Registrant does not renew the Domain Name it is then released for registration on a first-come first-served basis - this newly available domain name is called a Dropped Domain.
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E
End-Date Sunrise Period = A Sunrise Period is a period of time when a new Top Level Domain (TLD) is being prepared for release. The Sunrise Period is, typically, in order to give Trademark holders the opportunity to register Domain Names that reflect their Trademark or brand name before the Domain Name is available to the general public. An End-Date Sunrise Period, specifically, must run for a minimum of 60 days. At the end of the End-Date Sunrise Period, if more than one potential Registrant has shown an interest in any specific Domain Name an auction will typically be held to determine who the Domain Name Registrant will become.
Expired Domain = is a Domain Name that has been registered but is not renewed at the end of the registration period.
Expiration = the date on which the registration period ends for a Domain Name.
Extension = the last letters after the final . (dot) of a Domain Name.
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F
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G
Grace Period = The time after a Domain Name registration expires but can still be renewed by the Registrant
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H
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I
ICANN = Internet Corporation (for) Assigned Names (and) Numbers. This is the organisation that regulates the Domain Name industry as well as coordinates the Internet Naming System
IDN(s) = Internationalised Domain Name(s). These Domain Names contain non-ASCII characters. Usually charactors of a specific language such as Japanese, Chinese, Russian or Ukrainian. Our article Internationalised Domain Names explains more and lists examples.
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J
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K
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L
Landrush Period = the period of time when a new Top Level Domain (TLD) becomes available for registration by members of the general public. The Landrush Period follows the Sunrise Period. The Landrush Period is generally shorter than the Sunrise Period.
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M
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N
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O
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P
Parking = A registered Domain Name that points to another Domain Name thus re-directing visitors.
Pending Delete = When a Domain Name expires and is not renewed or restored during the Redemption Grace Period the Domain Name enters Pending Delete. During the Pending Delete Period, the Domain Name cannot be renewed, restored or recovered. Once Deleted the Domain Name can then be registered by the general public on a first-come first-served basis.
Premium Domain = This is a high value Domain Name.
Propagation Window = This is the period of time between a Domain Name record and those changes being delivered through the internet. Sometimes referred to as DNS (Domain Name Servers) propagation.
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Q
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R
Redemption Period = This is the time after the Grace Period when the previous Registrant can still renew a Domain Name - however this is often at a much higher renewal price than if renewal had occurred before expiry.
Registrant = The person, or business, who has registered the Domain Name at a Domain Registrar. A Registrant can manage their Domain Name settings via their Registrar.
Registrar = An authorised business that is able to sell Domain Names to the public.
Registry = A Domain Registry manages top level Domain Names. A Registry sets rules for their specific Domain Names, for example, Nominet is the Registry for .co.uk Domain Names, and Verisign is the Registry for .com Domain Names. A Registry does not usually sell Domain Names directly, but authorises Registrars to sell to the public.
Renewal (or Renew) = Is the process of extending the term of the Domain Name registration by registering the Domain Name for a further period - typically for between one year and 10 years.
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S
Start Date Sunrise Period = This is one of two forms of Sunrise Period. During the Start Date Sunrise Period, specifically, the Domain Name Registries must give a minimum of 30 days notice of the Start Date Sunrise Period. At the end of the Start Date Sunrise Period, where multiple potential Registrants have indicated an interest in a specific Domain Name there may be an auction held to determine who shall be the Domain Name Registrant.
Sunrise Period = This is a period of time when a new Top Level Domain (TLD) is being prepared for release. The Sunrise Period is, typically, in order to give Trademark Holders the opportunity to register Domain Names that reflect their Trademark or Brand name before the Domain Name is available to the general public. There are two "types" of Sunrise Periods: Start Date Sunrise Period andEnd Date Sunrise Period
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T
Transfer = The process of transferring a Domain Name from one Registrar to a different Registrar, while the Registrant maintains ownership of the Domain Name. Domain Names cannot normally be transferred between Registrars within the first 60 days of being registered, or within the last 30 days of its registration period.
TypoSquatting = The practice of registering a Domain Name based on a common spelling mistake of a well-known brand. This can be used to capture the traffic of internet users who enter the mis-spelt version. For example: examlpe.com
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U
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V
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W
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X
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Y
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Z
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