MS-102 Practice Question 3029
Exam: MS-102
Domain: Deploy and manage a Microsoft 365 tenant
Difficulty: easy
When adding a domain to Microsoft 365, which DNS record must be created to ensure that external recipient servers verify that emails originating from your tenant are authorized?
Answer Options
A
A TXT record specifying "v=spf1 include:spf.protection.outlook.com -all"
B
A CNAME record for smtp.protection.outlook.com
C
A PTR record pointing to the local router IP
D
An A record pointing directly to 127.0.0.1
Correct Answer
A: A TXT record specifying "v=spf1 include:spf.protection.outlook.com -all"
Explanation
A TXT record containing the SPF string "v=spf1 include:spf.protection.outlook.com -all" designates authorized outbound sending servers for the domain.