function Get-Nameserver {
    [CmdletBinding(DefaultParameterSetName="ByID")]
    param (
        [parameter(
            Mandatory=$false,
            ValueFromPipeline=$true,
            ValueFromPipelineByPropertyName=$true,
            Position=0,
            ParameterSetName="ByID"
        )]
        [ValidateNotNullOrEmpty()]
        [int]
        $Id
    )
    process {
        $_params = @{
            Controller    = [PS.IPAM.controllers]::tools
            SubController = [PS.IPAM.subcontrollers]::nameservers
            Method        = "GET"
            Type          = [PS.IPAM.types]::nameserver
        }
        switch ($PSCmdlet.ParameterSetName) {
            "ByID"      { $_nameserverId = $Id; break }
        }
        $_identifiers = @($_nameserverId)
        $_params.Add("Identifiers",$_identifiers)

        Invoke-Request @_params
    }
}
Export-ModuleMember -Function Get-Nameserver