root is the name of a database record of the
root zone in the
Domain Name System
The Domain Name System (DNS) is a hierarchical and distributed naming system for computers, services, and other resources in the Internet or other Internet Protocol (IP) networks. It associates various information with domain names assigned to ...
of the
Internet
The Internet (or internet) is the global system of interconnected computer networks that uses the Internet protocol suite (TCP/IP) to communicate between networks and devices. It is a '' network of networks'' that consists of private, pub ...
that was occasionally used as a diagnostic marker. Its presence demonstrated the root zone was not truncated upon loading by a
root nameserver.
According to technical observers the single .root entry was replaced in 2006 with just vrsn-end-of-zone-marker-dummy-record, to be reintroduced later in 2006 in its original form. The entry was deleted again during the preparations for the
deployment of DNSSEC at the root zone in 2010.
The existence of the record was observed with the
domain information groper (dig) utility by querying for a
TXT Record for the domain name:
:dig vrsn-end-of-zone-marker-dummy-record.root
This entry returned the word "
plenus", which is
Latin for ''full'' or ''complete''.
References
External links
The root zone file
{{DEFAULTSORT:ROOT
Pseudo-top-level domains
sv:Toppdomän#Generiska toppdomäner