Office 365 Domain Setup

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Questions and Answers

Which DNS record is used to locate the recipient's mailbox server when sending mail?

SPF

CNAME

MX (correct)

What is the purpose of SPF record?

To configure your account with outlook client automatically

To add a domain to Office 365

To avoid fake domain by specifying IP addresses or subnets that are authorized to send emails on behalf of the domain (correct)

To verify the Domain Ownership

How do you check the CNAME, SPF, MX records for a domain?

Check in Domain Registrar

Check in Office 365

Use nslookup in cmd and check in DNS Hosting Provider or Email Service Provider (correct)

Use PowerShell commands

What is the role of a Domain Registrar?

To provide domain registration and purchasing services Signup and view all the answers

What is the difference between a DNS Hosting Provider and an Email Service Provider?

A DNS Hosting Provider provides DNS hosting services, while an Email Service Provider provides email services Signup and view all the answers

What is the purpose of adding a TXT or MX record to verify the Domain Ownership?

To verify the Domain Ownership Signup and view all the answers

What is MFA?

Multi-Factor Authentication Signup and view all the answers

Which of the following is NOT a correct step to add a domain to Office 365?

Configure your account with outlook client automatically Signup and view all the answers

What is the primary benefit of enabling Multi-Factor Authentication (MFA) for an account?

It increases account security by requiring multiple forms of verification Signup and view all the answers

How do you create a new user in the admin portal?

Admin > Users > Active Users > Add a User Signup and view all the answers

What is the PowerShell command to create a new user?

New-MsolUser -DisplayName 'John Black' -FirstName John -LastName Black -UserPrincipalName <a href="mailto:[email protected]">[email protected]</a> Signup and view all the answers

How do you delete a user in the admin portal?

Select the user and click 'Delete User' Signup and view all the answers

What happens to a deleted user?

The user stays in the deleted user state for 30 days before being permanently deleted Signup and view all the answers

How do you bulk add users in the admin portal?

Create and upload a CSV file with users' information Signup and view all the answers

How do you bulk change the domain name for multiple users in PowerShell?

Use the Set-MsolUser cmdlet with the -DomainName parameter Signup and view all the answers

What is the purpose of the 'Manage MFA' option in the admin portal?

To enable or disable MFA for a user Signup and view all the answers

Study Notes

Adding a Domain to Office 365

To add a domain to Office 365, you need to add DNS records (MX/SPF/CNAME) and verify domain ownership by adding a TXT or MX record.
If you only need Exchange service, you need MX and SPF records.

DNS Records

DNS (Domain Name System) is a system that translates human-readable domain names into IP addresses.
MX (Mail Exchange Record) contains information about which mail server a domain uses to receive emails.
SPF (Sender Policy Framework) allows domain owners to publish a list of IP addresses or subnets that are authorized to send emails on their behalf.
CNAME (Canonical Name) is used to alias one name to another and is used to configure accounts with Outlook client automatically.

Checking DNS Records

You can check CNAME, SPF, and MX records for a domain using nslookup in cmd or online tools like mxtoolbox.com.
You can also check with DNS Hosting Providers or Email Service Providers.

Domain Registrar, DNS Hosting Provider, and Email Service Provider

Domain Registrar: provides domain name registration services, some only provide registration services, while others provide both registration and hosting services.
DNS Hosting Provider: provides domain hosting services, storing DNS records (like MX, SPF, CNAME) that ensure service runs smoothly.
Email Service Provider: provides email hosting services.

Multi-Factor Authentication (MFA)

MFA is a security process that requires multiple forms of verification to prove identity when signing into an application.
MFA can be enabled in the 365 admin center by going to Users > Active users > select a user > account > manage MFA > enable MFA.
MFA is closely related to security defaults.

Managing Users

New users can be created in the portal (admin > users > active users > add a user) or using PowerShell (New-MsolUser cmdlet).
User templates can be created in the portal and PowerShell.
Users can be deleted in the portal or using PowerShell (Remove-MsolUser cmdlet).
Users can be bulk changed or added in the portal or using PowerShell.
Deleted users stay in the recycle bin for 30 days before being permanently deleted.

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Description

Learn how to add a domain to Office 365, including setting up DNS records such as MX, SPF, and CNAME. Understand the process of verifying domain ownership and updating DNS host records.