.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.
In the Vinony graph
Within Vinony's link graph, .invalid is referenced by 121 other articles, and connects out to list of Internet top-level domains, proposed top-level domain and .au.
It sits within the topics Internet properties established in 1999 and Top-level domains.
Its subject is documented across 25 Wikipedia language editions.
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
Wikidata facts
- Instance of
- top-level domain
Show 2 more facts
- inception
- 1999-00-00
- main regulatory text
- legal norm
via Wikidata · CC0
~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.