Get-DnsCacheInfo

Windows: Retrieves entries from the DNS client cache

Script

#Requires -Version 5.1
#Requires -Modules NetTCPIP

[CmdletBinding()]
Param (
    [string]$Type,

    [string]$Name = "*",

    [string]$ComputerName = $env:COMPUTERNAME,

    [pscredential]$Credential
)

Process {
    try {
        $session = $null
        $dnsParams = @{
            'ErrorAction' = 'Stop'
        }
        if (-not [string]::IsNullOrWhiteSpace($Type)) {
            $dnsParams.Add('Type', $Type)
        }

        if ($ComputerName -ne $env:COMPUTERNAME) {
            $sessionParams = @{
                'ComputerName' = $ComputerName
                'ErrorAction'  = 'Stop'
            }
            if ($null -ne $Credential) {
                $sessionParams.Add('Credential', $Credential)
            }
            $session = New-CimSession @sessionParams
            $dnsParams.Add('CimSession', $session)
        }

        $cacheEntries = Get-DnsClientCache @dnsParams | Where-Object { $_.Name -like $Name }

        $results = foreach ($entry in $cacheEntries) {
            [PSCustomObject]@{
                Name         = $entry.Name
                Type         = $entry.Type
                Status       = $entry.Status
                Data         = $entry.Data
                TimeToLive   = $entry.TimeToLive
                ComputerName = $ComputerName
            }
        }

        Write-Output ($results | Sort-Object Name)
    }
    catch {
        throw
    }
    finally {
        if ($null -ne $session) {
            Remove-CimSession $session
        }
    }
}

Customize

Type string

Specifies the DNS record type to filter by (e.g., A, AAAA, CNAME, PTR).

Name string

Specifies a specific name or pattern to search for in the cache. Supports wildcards.

ComputerName string

Specifies the name of the target computer. Defaults to the local computer.

env string

Credential pscredential

Specifies a PSCredential object for remote connection.