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, 13 years ago
Acronym: '''T'''op '''L'''evel '''D'''omain
The last part of a domain name, such as .com, .net, .us, etc.
Each TLD is managed by a single [[Registry]].
There are different types of TLDs.
[[GTLD]],[[STLD]],[[CcTLD|CCTLD]]
These TLDs operated in different manners, and can be categorized in some simple ways:
* Operating Mode
**Open - Operating and offering both registration and resolution services.
**Closed - Not Accepting registrations, may be resolving evergreen/legacy/infrastructure subdomains.
* Level of Restriction
**Unrestricted - If there are no requirements that must be met in order to register a name under a TLD, that TLD is Unrestricted.
**Restricted - Requiring Local Physical Address, Local Tax ID, or other specific criteria be met to qualify in order to provision a name.
**Sponsored - A variation on Restricted, the applicant for a domain in an STLD must meet the requirements within that TLD (ie. [[.jobs]] would require that Human Resources be involved, [[.travel]] would require certain Travel criteria are met, etc).
* Also see [[Registries Constituency]]
[[Category: Glossary]]