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root is the name of a database record of the root zone in the Domain Name System of the Internet 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.
- dig vrsn-end-of-zone-marker-dummy-record.root
- Arends, Roy (2010-05-05). "plenus no more". dns-operations mailing list. https://lists.dns-oarc.net/pipermail/dns-operations/2010-May/005501.html. Retrieved 2010-05-05.
- "DNSSEC on all root servers". The H. 2010-05-06. Retrieved 2010-05-07.