.invalid
Sign in to saveThe name invalid is reserved by the Internet Engineering Task Force (IETF) as a domain name that may not be installed as a top-level domain in the Domain Name System (DNS) of the Internet.
Key facts
- Top level domain.name
- invalid
- Top level domain.introduced
- 1999
- Top level domain.type
- Reserved top-level domain
- Top level domain.status
- Reserved to prevent conflict and confusion
- Top level domain.intendeduse
- When necessary to show an address guaranteed to be invalid
- Top level domain.actualuse
- Session Initiation Protocol, for identity protection; address munging e.g. on Usenet
via Wikipedia infobox
~1 min read
Encyclopedic overview
3 sectionsContents
- Reserved DNS names
- Purpose
- References
The name invalid is reserved by the Internet Engineering Task Force (IETF) as a domain name that may not be installed as a top-level domain in the Domain Name System (DNS) of the Internet.
==Reserved DNS names== In 1999, the Internet Engineering Task Force reserved the DNS labels , , , and so that they may not be installed into the root zone of the Domain Name System.
Excerpted from Wikipedia’s “.invalid” article, available under the CC BY-SA 4.0 licence.