Commands i use on my Mac
Check the record from specific DNS Server Check Open Ports OPENSSL Console on my Mac TCP dump What is My IP Speed Test
PowerShell Command-Line
Active Directory Export All AD Users to CSV: Get AD User Properties: Get all GPOs and their creation time: Hyper-V Get Snapshot on VM: Delete VM Snapshot: Office 365 Connect to Tenant: Get Calendar Permission:
How to set up SPF, DKIM, and DMARC records for Microsoft Office 365
In this particular post, i would like to talk about 3 very important DNS records for any mail server and in this individual case Office 365. SPF, DKIM, and DMARC are ways to authenticate your mail server and to prove to the world, and other receiving mail servers that senders are truly authorized to send email and when properly set […]
Exchange Servers 0-day exploits -HAFNIUM-
On March 2, 2021 Microsoft has released several security update for Microsoft Exchange Server to address the vulnerabilities that has beed exposed targeting on-premises version of Exchange server. Microsoft has categorised this as a critical vulnerabilities and recommended the update the Exchange Server as soon as possible. The Exchange versions affected are: NOTE: Exchange Online is not affected. also Microsoft Exchange Server 2010 […]
