Functions/Troubleshooting/Invoke-DnsDomainAnalyzer.ps1
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.SYNOPSIS Analyze a DNS domain. .DESCRIPTION This function will analyze a DNS domain and return a list of relevant records around the domain itself, mail service and other relevant services. .EXAMPLE PS C:\> Invoke-DnsDomainAnalyzer -Domain 'microsoft.com' Analyze the domain microsoft.com. #> function Invoke-DnsDomainAnalyzer { [CmdletBinding()] param ( # The DNS domain name. [Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true)] [System.String[]] $DomainName, # The DNS resolver to query. If not specified, the default is used. [Parameter(Mandatory = $false)] [System.String] $DnsServer ) process { $dnsQuerySplat = @{ ErrorAction = 'SilentlyContinue' } if ($PSBoundParameters.ContainsKey('DnsServer')) { $dnsQuerySplat['Server'] = $PSBoundParameters['DnsServer'] } $headerSplat = @{ ForegroundColor = 'Cyan' } foreach ($domain in $DomainName) { try { ## ## PART 1: DOMAIN ## Write-Host @headerSplat "`nDomain`n******" # Start of Authority record (SOA) Resolve-DnsName @DnsQuerySplat -Name $domain -Type 'SOA' | Where-Object { $_.Type -eq 'SOA' } | ForEach-Object { [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.StartOfAuthority' Name = $_.Name Type = $_.Type TTL = $_.TTL SerialNumber = $_.SerialNumber DefaultTTL = $_.DefaultTTL Administrator = $_.Administrator } } | Format-Table # The domain name servers. Resolve-DnsName @DnsQuerySplat -Name $domain -Type 'NS' | Where-Object { $_.Type -eq 'NS' } | ForEach-Object { $nameServerIP4 = Resolve-DnsName @DnsQuerySplat -Name $_.NameHost -Type 'A' | Where-Object { $_.Type -eq 'A' } $nameServerIP6 = Resolve-DnsName @DnsQuerySplat -Name $_.NameHost -Type 'AAAA' | Where-Object { $_.Type -eq 'AAAA' } [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.NameServer' Name = $_.NameHost Type = $_.Type TTL = $_.TTL IP4Address = $nameServerIP4.IP4Address IP6Address = $nameServerIP6.IP6Address } } | Format-Table # If the domain is signed with DNSSEC, show the records Resolve-DnsName @DnsQuerySplat -Name $domain -Type 'DNSKEY' | Where-Object { $_.Type -eq 'DNSKEY' -and $_.Protocol -eq 'DNSSEC' } | ForEach-Object { [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.DnsSecurityExtension' Name = $_.Name Type = $_.Type TTL = $_.TTL Protocol = $_.Protocol Algorithm = $_.Algorithm Key = [System.Convert]::ToBase64String($_.Key) } } | Format-Table ## ## PART 2: MAIL SERVICE ## Write-Host @headerSplat "`nMail Service`n************" # MX record for the mail servers Resolve-DnsName @DnsQuerySplat -Name $domain -Type 'MX' | Where-Object { $_.Type -eq 'MX' } | Sort-Object -Property 'Preference' | ForEach-Object { [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.MailExchanger' Name = $_.Exchange Type = $_.Type TTL = $_.TTL Preference = $_.Preference } } | Format-Table # The mail server autodiscovery records for Microsoft Exchange Resolve-DnsName @DnsQuerySplat -Name "_autodiscover._tcp.$domain" -Type 'SRV' | Where-Object { $_.Type -eq 'SRV' } | ForEach-Object { [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.Generic' Name = $_.Name Type = $_.Type TTL = $_.TTL NameHost = $_.NameHost IP4Address = $_.IP4Address IP6Address = $_.IP6Address ServiceTarget = $(if ($_.Type -eq 'SRV') { '{0}:{1}' -f $_.NameTarget, $_.Port } else { $null }) } } | Format-Table Resolve-DnsName @DnsQuerySplat -Name "autodiscover.$domain" | ForEach-Object { [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.Generic' Name = $_.Name Type = $_.Type TTL = $_.TTL NameHost = $_.NameHost IP4Address = $_.IP4Address IP6Address = $_.IP6Address ServiceTarget = $(if ($_.Type -eq 'SRV') { '{0}:{1}' -f $_.NameTarget, $_.Port } else { $null }) } } | Format-Table # The Mail Service SPF records Resolve-DnsName @DnsQuerySplat -Name $domain -Type 'TXT' | Where-Object { $_.Type -eq 'TXT' -and $_.Strings[0] -like 'v=spf1 *' } | ForEach-Object { $record = $_ $_.Strings | ForEach-Object { $_ -split ' ' } | Where-Object { $_ -ne '' -and $_ -ne 'v=spf1' } | ForEach-Object { [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.SenderPolicyFramework' Name = $_ Type = 'TXT' TTL = $record.TTL ValueType = 'v=spf1' } } } | Format-Table # The Mail Service DMARC records Resolve-DnsName @DnsQuerySplat -Name "_dmarc.$domain" -Type 'TXT' | Where-Object { $_.Type -eq 'TXT' -and $_.Strings[0] -like 'v=DMARC1*' } | ForEach-Object { [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.DomainMessageAuthenticationReportingConformance' Name = $_.Name Type = $_.Type TTL = $_.TTL ValueType = $(try { $_.Strings[0].Split(';', 2)[0].Trim() } catch { '' }) Definition = $(try { $_.Strings[0].Split(';', 2)[1].Trim() } catch { $_.Strings[0] }) } } ## ## PART 3: ENTERPRISE MOBILITY ## Write-Host @headerSplat "`nMobility & Security`n*******************" "enterpriseregistration.$domain", "enterpriseenrollment.$domain" | ForEach-Object { Resolve-DnsName @DnsQuerySplat -Name $_ } | ForEach-Object { [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.Generic' Name = $_.Name Type = $_.Type TTL = $_.TTL NameHost = $_.NameHost IP4Address = $_.IP4Address IP6Address = $_.IP6Address ServiceTarget = $(if ($_.Type -eq 'SRV') { '{0}:{1}' -f $_.NameTarget, $_.Port } else { $null }) } } | Format-Table ## ## PART 4: SKYPE FOR BUSINESS ## Write-Host @headerSplat "`nSkype for Business`n******************" "_sip._tls.$domain", "_sipfederationtls._tcp.$domain" | ForEach-Object { Resolve-DnsName @DnsQuerySplat -Name $_ -Type 'SRV' } | Where-Object { $_.Type -eq 'SRV' } | ForEach-Object { [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.Generic' Name = $_.Name Type = $_.Type TTL = $_.TTL NameHost = $_.NameHost IP4Address = $_.IP4Address IP6Address = $_.IP6Address ServiceTarget = $(if ($_.Type -eq 'SRV') { '{0}:{1}' -f $_.NameTarget, $_.Port } else { $null }) } } | Format-Table "sip.$domain", "lyncdiscover.$domain" | ForEach-Object { Resolve-DnsName @DnsQuerySplat -Name $_ } | ForEach-Object { [PSCustomObject] @{ PSTypeName = 'ProfileFever.Analyzer.Domain.Generic' Name = $_.Name Type = $_.Type TTL = $_.TTL NameHost = $_.NameHost IP4Address = $_.IP4Address IP6Address = $_.IP6Address ServiceTarget = $(if ($_.Type -eq 'SRV') { '{0}:{1}' -f $_.NameTarget, $_.Port } else { $null }) } } | Format-Table } catch { $PSCmdlet.ThrowTerminatingError($_) } } } } |