IT Admin Assist

Bulk nslookup script

Bulk nslookup powershell script-

# Define input and output file paths

$inputFile = "ip_addresses.txt"

$outputFile = "nslookup_results.csv"

# Read IP addresses from the input file

$ipAddresses = Get-Content $inputFile | Where-Object { $_.Trim() -ne "" }

# Create an array to store results

$results = @()

# Perform nslookup for each IP

foreach ($ip in $ipAddresses) {

    try {

        $nslookup = nslookup $ip 2>&1

        $hostname = ($nslookup | Where-Object { $_ -match "Name:" }) -replace "Name:\s*", ""

        if (-not $hostname) {

            $hostname = "Lookup failed"

        }

    } catch {

        $hostname = "Lookup failed"

    }

    $results += [PSCustomObject]@{

        "IP Address" = $ip

        "Hostname"   = $hostname

    }

}

# Export results to CSV

$results | Export-Csv -Path $outputFile -NoTypeInformation

Write-Host "Results saved to $outputFile"

Get Information Barrier User Detail

Get-ExoInformationBarrierRelationship -RecipientId1 "user1@xyz.com" -RecipientId2 "user2@xyz.com"

Get Teams policy User List

Get-CsOnlineUser -Filter "TeamsMeetingPolicy -eq 'RestrictedAnonymousAccess'"

Force refresh Retention policy on mailbox

Start-ManagedFolderAssistant -Identity <MailboxOrMailUserIdParameter>

Check Volume License and Digital License

Open Command Prompt as an administrator.
Type slmgr /dlv and press Enter.
This command will display detailed license information. Look for the License Status and Description fields:
- If it mentions "Volume_MAK" or "Volume_KMS," it is activated using a Volume License.
- If it mentions "Retail" or "OEM," it is not using a Volume License.