|TLD type||Reserved top-level domain|
|Status||Reserved to prevent conflict and confusion|
|Intended use||In documentation or for internal testing|
|Structure||Those using it for testing can use it in any desired structure|
The name test is reserved by the Internet Engineering Task Force (IETF) in RFC 2606 (June 1999) as a domain name that is not intended to be installed as a top-level domain (TLD) in the global Domain Name System (DNS) of the Internet for production use.
Reserved DNS names
The reason for reservation of these top-level domain names is to reduce the likelihood of conflict and confusion. This allows the use of these names for either documentation purposes or in local testing scenarios.
As of 2015, IANA distinguishes the following groups of top-level domains:
- infrastructure top-level domain (ARPA)
- generic top-level domains (gTLD)
- restricted generic top-level domains (grTLD)
- sponsored top-level domains (sTLD)
- country code top-level domains (ccTLD)
- test top-level domains (tTLD)
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