Src/Private/Get-AbrADDNSZone.ps1
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function Get-AbrADDNSZone { <# .SYNOPSIS Used by As Built Report to retrieve Microsoft AD Domain Name System Zone information. .DESCRIPTION .NOTES Version: 0.9.1 Author: Jonathan Colon Twitter: @jcolonfzenpr Github: rebelinux .EXAMPLE .LINK #> [CmdletBinding()] param ( [Parameter ( Position = 0, Mandatory)] [string] $Domain, [string] $DC ) begin { Write-PScriboMessage "Collecting Actve Directory Domain Name System Zone information on $Domain." } process { try { $DCPssSession = try { New-PSSession -ComputerName $DC -Credential $Credential -Authentication $Options.PSDefaultAuthentication -Name 'DDNSInfrastructure' -ErrorAction Stop } catch { if (-Not $_.Exception.MessageId) { $ErrorMessage = $_.FullyQualifiedErrorId } else {$ErrorMessage = $_.Exception.MessageId} Write-PScriboMessage -IsWarning "DNS Zones Section: New-PSSession: Unable to connect to $($DC): $ErrorMessage" } $DNSSetting = Get-DnsServerZone -CimSession $TempCIMSession -ComputerName $DC | Where-Object { $_.IsReverseLookupZone -like "False" -and $_.ZoneType -notlike "Forwarder" } if ($DNSSetting) { Section -Style Heading3 "$($DC.ToString().ToUpper().Split(".")[0]) DNS Zones" { $OutObj = @() foreach ($Zones in $DNSSetting) { try { $inObj = [ordered] @{ 'Zone Name' = $Zones.ZoneName 'Zone Type' = $Zones.ZoneType 'Replication Scope' = $Zones.ReplicationScope 'Dynamic Update' = $Zones.DynamicUpdate 'DS Integrated' = ($Zones.IsDsIntegrated) 'Read Only' = ($Zones.IsReadOnly) 'Signed' = ($Zones.IsSigned) } $OutObj += [pscustomobject](ConvertTo-HashToYN $inObj) } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Domain Name System Zone Item)" } } $TableParams = @{ Name = "Zones - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 25, 15, 12, 12, 12, 12, 12 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'Zone Name' | Table @TableParams if ($InfoLevel.DNS -ge 2) { try { $DNSSetting = Get-DnsServerZone -CimSession $TempCIMSession -ComputerName $DC | Where-Object { $_.IsReverseLookupZone -like "False" -and ($_.ZoneName -ne "_msdcs.pharmax.local" -and $_.ZoneName -ne "TrustAnchors") -and ($_.ZoneType -like "Primary" -or $_.ZoneType -like "Secondary") } | Select-Object -ExpandProperty ZoneName if ($DNSSetting) { $OutObj = @() foreach ($Zone in $DNSSetting) { try { $Delegations = Get-DnsServerZoneDelegation -CimSession $TempCIMSession -Name $Zone -ComputerName $DC if ($Delegations) { foreach ($Delegation in $Delegations) { try { $inObj = [ordered] @{ 'Zone Name' = $Delegation.ZoneName 'Child Zone' = $Delegation.ChildZoneName 'Name Server' = $Delegation.NameServer.RecordData.NameServer 'IP Address' = $Delegation.IPaddress.RecordData.IPv4Address.ToString() } $OutObj += [pscustomobject](ConvertTo-HashToYN $inObj) } catch { Write-PScriboMessage -IsWarning $($_.Exception.Message) } } } else { Write-PScriboMessage -IsWarning "DNS Zones $($Zone) Section: No Zone Delegation information found, disabling the section." } } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Zone Delegation Item)" } } } else { Write-PScriboMessage -IsWarning "DNS Zones Section: No Zone Delegation information found in $DC, disabling the section." } if ($OutObj) { Section -Style Heading4 "Zone Delegation" { $TableParams = @{ Name = "Zone Delegations - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 25, 25, 32, 18 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'Zone Name' | Table @TableParams } } } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Zone Delegation Table)" } } if ($InfoLevel.DNS -ge 2) { try { $DNSSetting = $Null if ($DCPssSession) { $DNSSetting = Invoke-Command -Session $DCPssSession { Get-ChildItem -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\DNS Server\Zones\*" | Get-ItemProperty | Where-Object { $_ -match 'SecondaryServers' } } Remove-PSSession -Session $DCPssSession } if ($DNSSetting) { Section -Style Heading4 "Zone Transfers" { $OutObj = @() foreach ($Zone in $DNSSetting) { try { $inObj = [ordered] @{ 'Zone Name' = $Zone.PSChildName 'Secondary Servers' = ($Zone.SecondaryServers -join ", ") 'Notify Servers' = $Zone.NotifyServers 'Secure Secondaries' = Switch ($Zone.SecureSecondaries) { "0" { "Send zone transfers to all secondary servers that request them." } "1" { "Send zone transfers only to name servers that are authoritative for the zone." } "2" { "Send zone transfers only to servers you specify in Secondary Servers." } "3" { "Do not send zone transfers." } default { $Zone.SecureSecondaries } } } $OutObj += [pscustomobject](ConvertTo-HashToYN $inObj) if ($HealthCheck.DNS.Zones) { $OutObj | Where-Object { $_.'Secure Secondaries' -eq "Send zone transfers to all secondary servers that request them." } | Set-Style -Style Warning -Property 'Secure Secondaries' } } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Zone Transfers Item)" } } $TableParams = @{ Name = "Zone Transfers - $($Zone.PSChildName)" List = $false ColumnWidths = 25, 20, 20, 35 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Table @TableParams if ($HealthCheck.DNS.Zones -and ($OutObj | Where-Object { $_.'Secure Secondaries' -eq "Send zone transfers to all secondary servers that request them." })) { Paragraph "Health Check:" -Italic -Bold BlankLine Paragraph { Text "Best Practices:" -Bold Text "Configure all DNS zones only to allow zone transfers from Trusted IP addresses." } } } } else { Write-PScriboMessage -IsWarning "DNS Zones Section: No Zone Transfer information found in $DC, disabling the section." } } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Zone Transfers Table)" } } try { $DNSSetting = Get-DnsServerZone -CimSession $TempCIMSession -ComputerName $DC | Where-Object { $_.IsReverseLookupZone -like "True" } if ($DNSSetting) { Section -Style Heading4 "Reverse Lookup Zone" { $OutObj = @() foreach ($Zones in $DNSSetting) { try { $inObj = [ordered] @{ 'Zone Name' = $Zones.ZoneName 'Zone Type' = $Zones.ZoneType 'Replication Scope' = $Zones.ReplicationScope 'Dynamic Update' = $Zones.DynamicUpdate 'DS Integrated' = ($Zones.IsDsIntegrated) 'Read Only' = ($Zones.IsReadOnly) 'Signed' = ($Zones.IsSigned) } $OutObj += [pscustomobject](ConvertTo-HashToYN $inObj) } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Reverse Lookup Zone Configuration Item)" } } $TableParams = @{ Name = "Zones - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 25, 15, 12, 12, 12, 12, 12 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'Zone Name' | Table @TableParams } } else { Write-PScriboMessage -IsWarning "DNS Zones Section: No Reverse lookup zone information found in $DC, disabling the section." } } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Reverse Lookup Zone Configuration Table)" } try { $DNSSetting = Get-DnsServerZone -CimSession $TempCIMSession -ComputerName $DC | Where-Object { $_.IsReverseLookupZone -like "False" -and $_.ZoneType -like "Forwarder" } if ($DNSSetting) { Section -Style Heading4 "Conditional Forwarder" { $OutObj = @() foreach ($Zones in $DNSSetting) { try { $inObj = [ordered] @{ 'Zone Name' = $Zones.ZoneName 'Zone Type' = $Zones.ZoneType 'Replication Scope' = $Zones.ReplicationScope 'Master Servers' = $Zones.MasterServers 'DS Integrated' = $Zones.IsDsIntegrated } $OutObj += [pscustomobject](ConvertTo-HashToYN $inObj) } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Conditional Forwarder Item)" } } $TableParams = @{ Name = "Conditional Forwarders - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 25, 20, 20, 20, 15 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'Zone Name' | Table @TableParams } } else { Write-PScriboMessage -IsWarning "DNS Zones Section: No Conditional forwarder zone information found in $DC, disabling the section." } } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Conditional Forwarder Table)" } if ($InfoLevel.DNS -ge 2) { try { $DNSSetting = Get-DnsServerZone -CimSession $TempCIMSession -ComputerName $DC | Where-Object { $_.IsReverseLookupZone -like "False" -and $_.ZoneType -eq "Primary" } | Select-Object -ExpandProperty ZoneName $Zones = Get-DnsServerZoneAging -CimSession $TempCIMSession -Name $DNSSetting -ComputerName $DC if ($Zones) { Section -Style Heading4 "Zone Scope Aging" { $OutObj = @() foreach ($Settings in $Zones) { try { $inObj = [ordered] @{ 'Zone Name' = $Settings.ZoneName 'Aging Enabled' = ($Settings.AgingEnabled) 'Refresh Interval' = $Settings.RefreshInterval 'NoRefresh Interval' = $Settings.NoRefreshInterval 'Available For Scavenge' = Switch ($Settings.AvailForScavengeTime) { "" { "--"; break } $Null { "--"; break } default { (($Settings.AvailForScavengeTime).ToUniversalTime().toString("r")); break } } } $OutObj += [pscustomobject](ConvertTo-HashToYN $inObj) } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Zone Scope Aging Item)" } } if ($HealthCheck.DNS.Aging) { $OutObj | Where-Object { $_.'Aging Enabled' -ne 'Yes' } | Set-Style -Style Warning -Property 'Aging Enabled' } $TableParams = @{ Name = "Zone Aging Properties - $($Domain.ToString().ToUpper())" List = $false ColumnWidths = 25, 10, 15, 15, 35 } if ($Report.ShowTableCaptions) { $TableParams['Caption'] = "- $($TableParams.Name)" } $OutObj | Sort-Object -Property 'Zone Name' | Table @TableParams if ($HealthCheck.DNS.Zones -and ($OutObj | Where-Object { $_.'Aging Enabled' -ne 'Yes' })) { Paragraph "Health Check:" -Bold -Underline Paragraph { Text "Best Practices:" -Bold Text "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." } } } } else { Write-PScriboMessage -IsWarning "DNS Zones Section: No Zone Aging property information found in $DC, disabling the section." } } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Zone Scope Aging Table)" } } } } } catch { Write-PScriboMessage -IsWarning "$($_.Exception.Message) (Global DNS Zone Information)" } } end {} } |