The current SPF record for your organization’s custom DNS zone is configured as “v=spf1 mx include:tailspintoys.com ~all.” What should be the value of the SPF
record if you want to have some pilot users use Office 365 as the mailbox for email sent to their @tailspintoys.com email address?

A.
“v=spf1 txt include:tailspintoys.com include:spf.protection.outlook.com ~all”

B.
“v=spf1 txt include:tailspintoys.com include:spf.protection.tailspintoys.com ~all”

C.
“v=spf1 mx include:tailspintoys.com include:spf.protection.tailspintoys.com ~all”

D.
“v=spf1 mx include:tailspintoys.com include:spf.protection.outlook.com ~all”

Explanation:

A)
Incorrect: The SPF record should be set to “v=spf1 mx include:tailspintoys.com include:spf.protection.outlook.com ~all”, it should not include a the TXT record
type.
B)
Incorrect: The SPF record should be set to “v=spf1 mx include:tailspintoys.com include:spf.protection.outlook.com ~all” not include:spf.protection.tailspintoys.
com.
C)
Incorrect: The SPF record should be set to “v=spf1 mx include:tailspintoys.com include:spf.protection.outlook.com ~all” not include:spf.protection.tailspintoys.
com.
D)
Correct: The SPF record should be set to “v=spf1 mx include:tailspintoys.com include:spf.protection.outlook.com ~all.”