Partner-Office365MissingSPF.ps1

# Adam Hancock
if(Get-Module MSOnline){
    write-host "Module already installed."
}else{
    Install-Module -Force MSOnline
}

 if(!$Cred){
    $Cred = Get-Credential
 }


Connect-MsolService -Credential  $Cred
 
$customers= Get-MsolPartnerContract -All
 
Write-Host "Found $($customers.Count) customers for this Partner."
 
write-host "Checking SPF Records..."
foreach ($customer in $customers) { 

 

    $domains= Get-MsolDomain -TenantId $customer.TenantId | Where {$_.IsInitial -eq $false}
    
    foreach($domain in $domains){

        if($domain.name -like "*.smtp.exclaimer.cloud"){
            continue
        }

        $spf = resolve-dnsname $domain.name -type TXT -ErrorAction silentlycontinue | Where-Object Strings -Match "spf1"
       
        if(!$spf){
           
            write-host -ForegroundColor Red "$($customer.name) - $($domain.name) - missing SPF"
    }else{
        if($spf.Strings -contains "v=spf1" -AND $spf.Strings -notcontains "include:spf.protection.outlook.com"){
            write-host -ForegroundColor Yellow "$($domain.name) - missing Office 365 from SPF"
        }
    
}

}}