Domain terminologies can include the technical aspects of domains, such as DNS and TLD, as well as the various stages of the domain name lifecycle, such as registration, renewal, and redemption. Here are some common domain terminologies:
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Domain name registration: This is the process of purchasing a domain name from a domain name registrar. Once registered, the domain name becomes yours for a certain period of time, usually one year.
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Renewal: When the registration period for a domain name is about to expire, the domain name owner must renew their registration in order to maintain ownership of the domain. Renewal typically requires payment of a fee and can be done for a set number of years in advance.
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Grace period: The grace period is a window of time after a domain name registration has expired during which the domain owner can still renew the registration without any additional fees or penalties. This period varies depending on the domain registrar, but it typically lasts between 1 and 45 days.
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Redemption period: If a domain name owner fails to renew their registration during the grace period, the domain will typically enter a redemption period. During this time, the domain name can still be renewed, but the owner must pay an additional fee on top of the regular renewal fee. The redemption period typically lasts between 30 and 60 days.
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Pending delete: If the domain name owner fails to renew the registration during the redemption period, the domain name will enter a pending delete status. This means that the domain name will be deleted from the registry and become available for registration by anyone. The pending delete period typically lasts for 5 days, after which the domain name is released back to the public for registration.
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Backordering: Backordering is a service offered by some domain registrars or third-party services that allow users to reserve a domain name that is currently registered, but about to expire or become available for registration. Backordering services monitor the status of a domain name and attempt to register it as soon as it becomes available.
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Domain transfer: Domain transfer is the process of moving a domain name from one registrar to another. This is typically done when a domain owner wants to switch registrars or when a domain name is sold to a new owner.
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WHOIS: WHOIS is a protocol used to retrieve information about domain name registrations. This information includes the domain name owner, registrar, registration and expiration dates, and contact information.
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DNS: DNS stands for Domain Name System, which is the system that translates domain names into IP addresses. When you type a domain name into a web browser, DNS translates that domain name into an IP address that the browser can use to connect to the appropriate web server.
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TLD: TLD stands for Top-Level Domain, which is part of a domain name that comes after the dot, such as .com, .net, or .org. There are hundreds of TLDs available, including country-specific TLDs like .us, .uk, and .ca, as well as new generic TLDs like .xyz, .club, and .blog.
For more information, ICANN domain policy