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Question 62 - 300-720 discussion

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Refer to the exhibit.

Which SPF record is valid for mycompany.com?

A.

v=spf1 a mx ip4:199.209.31.2 -all

Answers
A.

v=spf1 a mx ip4:199.209.31.2 -all

B.

v=spf1 a mx ip4:10.1.10.23 -all

Answers
B.

v=spf1 a mx ip4:10.1.10.23 -all

C.

v=spf1 a mx ip4:199.209.31.21 -all

Answers
C.

v=spf1 a mx ip4:199.209.31.21 -all

D.

v=spf1 a mx ip4:172.16.18.230 -all

Answers
D.

v=spf1 a mx ip4:172.16.18.230 -all

Suggested answer: C

Explanation:

The SPF record for mycompany.com is shown in the exhibit as:

v=spf1 a mx ip4:199.209.31.21 -all

This means that the domain mycompany.com authorizes the following sources to send email on its behalf:

The A record of mycompany.com, which resolves to 199.209.31.21

The MX record of mycompany.com, which points to mail.mycompany.com, which also resolves to 199.209.31.21

The IP address 199.209.31.21

The -all qualifier means that any other source is not authorized and should be rejected.

Therefore, the correct answer is C.

Reference:

SPF Record Syntax

Define your SPF recordasic setup

asked 10/10/2024
SANGEETH N
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