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Show-DnsServerCache

  • Reference
Module:
DnsServer

Shows the records in a DNS Server Cache.

Syntax

Show-DnsServerCache
    [-ComputerName <String>]
    [-CimSession <CimSession[]>]
    [-ThrottleLimit <Int32>]
    [-AsJob]
    [-WhatIf]
    [-Confirm]
    [<CommonParameters>]

Description

The Show-DNSServerCache shows all cached Domain Name System (DNS) server resource records in the following format: Name, ResourceRecordData, Time-to-Live (TTL).

Examples

Example 1: Show all resource records in a DNS server cache

PS C:\> Show-DnsServerCache -ComputerName "Win12S-05.DNSServer-01.Contoso.com"
HostName                  RecordType Timestamp            TimeToLive      RecordData

--------                  ---------- ---------            ----------      ----------

@                         NS         0                    00:00:00        a.root-servers.net.

@                         NS         0                    00:00:00        b.root-servers.net.

@                         NS         0                    00:00:00        c.root-servers.net.

@                         NS         0                    00:00:00        d.root-servers.net.

@                         NS         0                    00:00:00        e.root-servers.net.

@                         NS         0                    00:00:00        f.root-servers.net.

@                         NS         0                    00:00:00        g.root- 

Win12S-05.DNSServer-01.... A          0                    00:46:48        172.23.90.136

localhost                 A          0                    17089.09:29:04  127.0.0.1

a.root-servers.net        A          0                    00:00:00        198.41.0.4

b.root-servers.net        A          0                    00:00:00

This command shows all resource records that exist in a specified DNS server cache.

Parameters

-AsJob

ps_cimcommon_asjob

Type:SwitchParameter
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False

-CimSession

Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSessionhttp://go.microsoft.com/fwlink/p/?LinkId=227967 or Get-CimSessionhttp://go.microsoft.com/fwlink/p/?LinkId=227966 cmdlet. The default is the current session on the local computer.

Type:CimSession[]
Aliases:Session
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False

-ComputerName

Specifies a DNS server. The acceptable values for this parameter are: an IP V4 address; an IP V6 address; any other value that resolves to an IP address, such as a fully qualified domain name (FQDN), host name, or NETBIOS name.

Type:String
Aliases:Cn
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False

-Confirm

Prompts you for confirmation before running the cmdlet.

Type:SwitchParameter
Aliases:cf
Position:Named
Default value:False
Required:False
Accept pipeline input:False
Accept wildcard characters:False

-ThrottleLimit

Specifies the maximum number of concurrent operations that can be established to run the cmdlet. If this parameter is omitted or a value of 0 is entered, then Windows PowerShell® calculates an optimum throttle limit for the cmdlet based on the number of CIM cmdlets that are running on the computer. The throttle limit applies only to the current cmdlet, not to the session or to the computer.

Type:Int32
Position:Named
Default value:None
Required:False
Accept pipeline input:False
Accept wildcard characters:False

-WhatIf

Shows what would happen if the cmdlet runs. The cmdlet is not run.

Type:SwitchParameter
Aliases:wi
Position:Named
Default value:False
Required:False
Accept pipeline input:False
Accept wildcard characters:False

Outputs

CimInstance[]