![]() Specify a setting and, as an option, a value. If this parameter is omitted, the local server is used. Specifies the DNS server that you are planning to manage, represented by local computer syntax, IP address, FQDN, or host name. When the term is removed from the software, we’ll remove it from this article. This article contains references to the term slave, a term that Microsoft no longer uses. Accepts server-level and zone-level settings. This command also modifies the configuration of the specified server. If this parameter is omitted, the local server is used.Įxample dnscmd /clearcacheĬhanges values in the registry for the DNS server and individual zones. Specifies the DNS server to manage, represented by IP address, FQDN, or host name. If a value is specified for at least one of the optional parameters, dnscmd enumerates only the resource records that correspond to the value or values that are specified in the optional parameter or parameters.Įxample 1: Set the current time on a time stamp to resource records dnscmd /clearcache commandĬlears the DNS cache memory of resource records on the specified DNS server. If none of the optional parameters are specified, the command returns all resource records at the specified node. A time stamp added by using the ageallrecords command can't be reversed. The addition of a time stamp to DNS resource records makes them incompatible with DNS servers that run on operating systems other than Windows Server. For information about how to enable scavenging for the zone, see the aging parameter, within the syntax of the dnscmd /config command in this article. This command fails unless scavenging is enabled for the DNS server and the zone. Name server (NS) resource records, start of authority (SOA) resource records, and Windows Internet Name Service (WINS) resource records are not included in the scavenging process, and they are not time stamped even when the ageallrecords command runs. Record scavenging does not occur unless the records are time stamped. It adds a time stamp with the current time to resource records that do not have a time stamp, and it sets the current time on resource records that do have a time stamp. The ageallrecords command is for backward compatibility between the current version of DNS and previous releases of DNS in which aging and scavenging were not supported. Runs the command without asking for confirmation. Specifies that all child nodes also receive the time stamp. A single label for the name relative to the zone root.The FQDN of a node (the name with a period (.) at the end).Specifies a specific node or subtree in the zone, using the following: Specifies the DNS server that the administrator plans to manage, represented by IP address, fully qualified domain name (FQDN), or Host name. Sets the current time on a time stamp on resource records at a specified zone or node on a DNS server. The IP address or host name of a remote or local DNS server. ![]() This utility is useful in scripting batch files to help automate routine DNS management tasks, or to perform simple unattended setup and configuration of new DNS servers on your network. Applies to: Windows Server 2022, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012Ī command-line interface for managing DNS servers.
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