Src/Private/Get-AbrADDNSInfrastructure.ps1
function Get-AbrADDNSInfrastructure { <# .SYNOPSIS Used by As Built Report to retrieve Microsoft AD Domain Name System Infrastructure information. .DESCRIPTION .NOTES Version: 0.7.6 Author: Jonathan Colon Twitter: @jcolonfzenpr Github: rebelinux .EXAMPLE .LINK #> [CmdletBinding()] param ( [Parameter ( Position = 0, Mandatory)] [string] $Domain ) begin { Write-PscriboMessage "Discovering Active Directory Domain Name System Infrastructure information for $Domain" } process { try { $DCs = Invoke-Command -Session $TempPssSession {Get-ADDomain -Identity $using:Domain | Select-Object -ExpandProperty ReplicaDirectoryServers | Where-Object {$_ -notin ($using:Options).Exclude.DCs}} if ($DCs) { Section -Style Heading4 "Infrastructure Summary" { Paragraph "The following section provides a summary of the DNS Infrastructure configuration." BlankLine $OutObj = @() foreach ($DC in $DCs) { if (Test-Connection -ComputerName $DC -Quiet -Count 1) { Write-PscriboMessage "Collecting Domain Name System Infrastructure information from '$($DC)'." try { $DNSSetting = Get-DnsServerSetting -CimSession $TempCIMSession -ComputerName $DC $inObj = [ordered] @{ 'DC Name' = $($DC.ToString().ToUpper().Split(".")[0]) 'Build Number' = ConvertTo-EmptyToFiller $DNSSetting.BuildNumber 'IPv6' = ConvertTo-EmptyToFiller (ConvertTo-TextYN $DNSSetting.EnableIPv6) 'DnsSec' = ConvertTo-EmptyToFiller (ConvertTo-TextYN $DNSSetting.EnableDnsSec) 'ReadOnly DC' = ConvertTo-EmptyToFiller (ConvertTo-TextYN $DNSSetting.IsReadOnlyDC) 'Listening IP' = $DNSSetting.ListeningIPAddress } $OutObj += [pscustomobject]$inobj } catch { Write-PscriboMessage -IsWarning " $($_.Exception.Message) (Infrastructure Summary)" } } } $TableParams = @{ Name = "Infrastructure Summary - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 30, 10, 9, 10, 11, 30 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'DC Name' | Table @TableParams #---------------------------------------------------------------------------------------------# # DNS IP Section # #---------------------------------------------------------------------------------------------# if ($InfoLevel.DNS -ge 2) { try { Section -Style Heading5 "Domain Controller DNS IP Configuration" { $OutObj = @() foreach ($DC in $DCs) { if (Test-Connection -ComputerName $DC -Quiet -Count 1) { Write-PscriboMessage "Collecting DNS IP Configuration information from $($DC)." $DCPssSession = New-PSSession $DC -Credential $Credential -Authentication $Options.PSDefaultAuthentication try { $DNSSettings = Invoke-Command -Session $DCPssSession { Get-NetAdapter | Get-DnsClientServerAddress -AddressFamily IPv4 } foreach ($DNSSetting in $DNSSettings) { try { $inObj = [ordered] @{ 'DC Name' = $DC.ToString().ToUpper().Split(".")[0] 'Interface' = $DNSSetting.InterfaceAlias 'DNS IP 1' = ConvertTo-EmptyToFiller $DNSSetting.ServerAddresses[0] 'DNS IP 2' = ConvertTo-EmptyToFiller $DNSSetting.ServerAddresses[1] 'DNS IP 3' = ConvertTo-EmptyToFiller $DNSSetting.ServerAddresses[2] 'DNS IP 4' = ConvertTo-EmptyToFiller $DNSSetting.ServerAddresses[3] } $OutObj += [pscustomobject]$inobj } catch { Write-PscriboMessage -IsWarning $_.Exception.Message } } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (DNS IP Configuration Item)" } } } if ($DCPssSession) { Remove-PSSession -Session $DCPssSession } if ($HealthCheck.DNS.DP) { $OutObj | Where-Object { $_.'DNS IP 1' -eq "127.0.0.1"} | Set-Style -Style Warning -Property 'DNS IP 1' } $TableParams = @{ Name = "DNS IP Configuration - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 20, 20, 15, 15, 15, 15 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'DC Name' | Table @TableParams if ($HealthCheck.DNS.DP -and ($OutObj | Where-Object { $_.'DNS IP 1' -eq "127.0.0.1"})) { Paragraph "Health Check:" -Italic -Bold -Underline Paragraph "Best Practices: DNS configuration on network adapter should include the loopback address, but not as the first entry." -Italic -Bold } } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (DNS IP Configuration Table)" } } #---------------------------------------------------------------------------------------------# # DNS Aplication Partitions Section # #---------------------------------------------------------------------------------------------# if ($InfoLevel.DNS -ge 2) { try { Section -Style Heading5 "Application Directory Partition" { Paragraph "The following section provides Directory Partition information." BlankLine foreach ($DC in $DCs) { if (Test-Connection -ComputerName $DC -Quiet -Count 1) { Section -ExcludeFromTOC -Style NOTOCHeading6 $($DC.ToString().ToUpper().Split(".")[0]) { $OutObj = @() Write-PscriboMessage "Collecting Directory Partition information from $($DC)." try { $DNSSetting = Get-DnsServerDirectoryPartition -CimSession $TempCIMSession -ComputerName $DC foreach ($Partition in $DNSSetting) { try { $inObj = [ordered] @{ 'Name' = $Partition.DirectoryPartitionName 'State' = Switch ($Partition.State) { $Null {'-'} 0 {'DNS_DP_OKAY'} 1 {'DNS_DP_STATE_REPL_INCOMING'} 2 {'DNS_DP_STATE_REPL_OUTGOING'} 3 {'DNS_DP_STATE_UNKNOWN'} default {$Partition.State} } 'Flags' = $Partition.Flags 'Zone Count' = $Partition.ZoneCount } $OutObj += [pscustomobject]$inobj } catch { Write-PscriboMessage -IsWarning $_.Exception.Message } } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Directory Partitions Item)" } $TableParams = @{ Name = "Directory Partitions - $($DC.ToString().ToUpper().Split(".")[0])" List = $false ColumnWidths = 40, 25, 25, 10 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'Name' | Table @TableParams } } } } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Directory Partitions Table)" } } #---------------------------------------------------------------------------------------------# # DNS RRL Section # #---------------------------------------------------------------------------------------------# if ($InfoLevel.DNS -ge 2) { try { Section -Style Heading5 "Response Rate Limiting (RRL)" { $OutObj = @() foreach ($DC in $DCs) { if (Test-Connection -ComputerName $DC -Quiet -Count 1) { Write-PscriboMessage "Collecting Response Rate Limiting (RRL) information from $($DC)." try { $DNSSetting = Get-DnsServerResponseRateLimiting -CimSession $TempCIMSession -ComputerName $DC $inObj = [ordered] @{ 'DC Name' = $($DC.ToString().ToUpper().Split(".")[0]) 'Status' = ConvertTo-EmptyToFiller $DNSSetting.Mode 'Responses Per Sec' = ConvertTo-EmptyToFiller $DNSSetting.ResponsesPerSec 'Errors Per Sec' = ConvertTo-EmptyToFiller $DNSSetting.ErrorsPerSec 'Window In Sec' = ConvertTo-EmptyToFiller $DNSSetting.WindowInSec 'Leak Rate' = ConvertTo-EmptyToFiller $DNSSetting.LeakRate 'Truncate Rate' = ConvertTo-EmptyToFiller $DNSSetting.TruncateRate } $OutObj += [pscustomobject]$inobj } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Response Rate Limiting (RRL) Item)" } } } $TableParams = @{ Name = "Response Rate Limiting - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 30, 10, 12, 12, 12, 12, 12 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'DC Name' | Table @TableParams } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Response Rate Limiting (RRL) Table)" } } #---------------------------------------------------------------------------------------------# # DNS Scanvenging Section # #---------------------------------------------------------------------------------------------# if ($InfoLevel.DNS -ge 2) { try { Section -Style Heading5 "Scavenging Options" { $OutObj = @() foreach ($DC in $DCs) { if (Test-Connection -ComputerName $DC -Quiet -Count 1) { Write-PscriboMessage "Collecting Scavenging Options information from $($DC)." try { $DNSSetting = Get-DnsServerScavenging -CimSession $TempCIMSession -ComputerName $DC $inObj = [ordered] @{ 'DC Name' = $($DC.ToString().ToUpper().Split(".")[0]) 'NoRefresh Interval' = ConvertTo-EmptyToFiller $DNSSetting.NoRefreshInterval 'Refresh Interval' = ConvertTo-EmptyToFiller $DNSSetting.RefreshInterval 'Scavenging Interval' = ConvertTo-EmptyToFiller $DNSSetting.ScavengingInterval 'Last Scavenge Time' = Switch ($DNSSetting.LastScavengeTime) { "" {"-"; break} $Null {"-"; break} default {ConvertTo-EmptyToFiller ($DNSSetting.LastScavengeTime.ToString("MM/dd/yyyy"))} } 'Scavenging State' = Switch ($DNSSetting.ScavengingState) { "True" {"Enabled"} "False" {"Disabled"} default {ConvertTo-EmptyToFiller $DNSSetting.ScavengingState} } } $OutObj += [pscustomobject]$inobj } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Scavenging Item)" } } } if ($HealthCheck.DNS.Zones) { $OutObj | Where-Object { $_.'Scavenging State' -eq 'Disabled'} | Set-Style -Style Warning -Property 'Scavenging State' } $TableParams = @{ Name = "Scavenging - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 25, 15, 15, 15, 15, 15 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'DC Name' | Table @TableParams if ($HealthCheck.DNS.Zones -and ($OutObj | Where-Object { $_.'Scavenging State' -eq 'Disabled'})) { Paragraph "Health Check:" -Italic -Bold -Underline Paragraph "Best Practices: Microsoft recommends to enable aging/scavenging on all DNS servers. However, with AD-integrated zones ensure to enable DNS scavenging on one DC at main site. The results will be replicated to other DCs." -Italic -Bold } } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Scavenging Table)" } } #---------------------------------------------------------------------------------------------# # DNS Forwarder Section # #---------------------------------------------------------------------------------------------# try { Section -Style Heading5 "Forwarder Options" { $OutObj = @() foreach ($DC in $DCs) { if (Test-Connection -ComputerName $DC -Quiet -Count 1) { Write-PscriboMessage "Collecting Forwarder Options information from $($DC)." try { $DNSSetting = Get-DnsServerForwarder -CimSession $TempCIMSession -ComputerName $DC $Recursion = Get-DnsServerRecursion -CimSession $TempCIMSession -ComputerName $DC | Select-Object -ExpandProperty Enable $inObj = [ordered] @{ 'DC Name' = $($DC.ToString().ToUpper().Split(".")[0]) 'IP Address' = $DNSSetting.IPAddress 'Timeout' = ("$($DNSSetting.Timeout)/s") 'Use Root Hint' = ConvertTo-EmptyToFiller (ConvertTo-TextYN $DNSSetting.UseRootHint) 'Use Recursion' = ConvertTo-EmptyToFiller (ConvertTo-TextYN $Recursion) } $OutObj += [pscustomobject]$inobj } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Forwarder Item)" } } } $TableParams = @{ Name = "Forwarders - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 35, 15, 15, 15, 20 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'DC Name' | Table @TableParams } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Forwarder Table)" } #---------------------------------------------------------------------------------------------# # DNS Root Hints Section # #---------------------------------------------------------------------------------------------# if ($InfoLevel.DNS -ge 2) { try { Section -Style Heading5 "Root Hints" { Paragraph "The following section provides Root Hints information." foreach ($DC in $DCs) { if (Test-Connection -ComputerName $DC -Quiet -Count 1) { Section -ExcludeFromTOC -Style NOTOCHeading6 $($DC.ToString().ToUpper().Split(".")[0]) { $OutObj = @() Write-PscriboMessage "Collecting Root Hint information from $($DC)." try { $DNSSetting = Get-DnsServerRootHint -CimSession $TempCIMSession -ComputerName $DC | Select-Object @{Name="Name"; E={$_.NameServer.RecordData.Nameserver}},@{Name="IPAddress"; E={$_.IPAddress.RecordData.IPv6Address.IPAddressToString,$_.IPAddress.RecordData.IPv4Address.IPAddressToString} } foreach ($Hints in $DNSSetting) { try { $inObj = [ordered] @{ 'Name' = $Hints.Name 'IP Address' = (($Hints.IPAddress).Where({ $_ -ne $Null })) -join ", " } $OutObj += [pscustomobject]$inobj } catch { Write-PscriboMessage -IsWarning $_.Exception.Message } } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Root Hints Item)" } $TableParams = @{ Name = "Root Hints - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 50, 50 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'Name' | Table @TableParams } } } } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Root Hints Table)" } } #---------------------------------------------------------------------------------------------# # DNS Zone Scope Section # #---------------------------------------------------------------------------------------------# if ($InfoLevel.DNS -ge 2) { try { Section -Style Heading5 "Zone Scope Recursion" { $OutObj = @() foreach ($DC in $DCs) { if (Test-Connection -ComputerName $DC -Quiet -Count 1) { Write-PscriboMessage "Collecting Zone Scope Recursion information from $($DC)." try { $DNSSetting = Get-DnsServerRecursionScope -CimSession $TempCIMSession -ComputerName $DC $inObj = [ordered] @{ 'DC Name' = $($DC.ToString().ToUpper().Split(".")[0]) 'Zone Name' = Switch ($DNSSetting.Name) { "." {"Root"} default {ConvertTo-EmptyToFiller $DNSSetting.Name} } 'Forwarder' = $DNSSetting.Forwarder 'Use Recursion' = ConvertTo-EmptyToFiller (ConvertTo-TextYN $DNSSetting.EnableRecursion) } $OutObj += [pscustomobject]$inobj } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Zone Scope Recursion Item)" } } } $TableParams = @{ Name = "Zone Scope Recursion - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 35, 25, 20, 20 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'DC Name' | Table @TableParams } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (Zone Scope Recursion Table)" } } } } } catch { Write-PscriboMessage -IsWarning "$($_.Exception.Message) (DNS Infrastructure Section)" } } end {} } |