System command

nslookup root command

Changes the default server to the server for the root of the Domain Name System (DNS) domain name space. This guide lists the documented syntax and parameters for nslookup root; check Microsoft Learn for version, role and execution-context requirements.

Availability: Microsoft Learn command reference spanning Windows client and Windows Server releases; some entries are legacy, role-specific, optional-feature or interactive subcommands.中文

Documented syntax

root

The linked Microsoft Learn article is the upstream authority. Availability may depend on Windows release, role, optional feature or interactive tool context.

Syntax pattern

Syntax pattern from Microsoft Learn; replace placeholders and choose only one documented alternative before use.

root

Parameters, options and clauses

Option / clause	Description
`/?`	Display command help or the supported command-line usage.
`/help`	Display command help or the supported command-line usage.

Safety note

Review a command and its target before running it. Commands that alter files, services, accounts, disks, permissions or databases may be difficult to reverse. Test in a safe environment and keep backups.

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