You have a DNS server that runs Windows Server 2012 R2. The server hosts the zone for contoso.com and is
accessible from the Internet.
You need to create a DNS record for the Sender Policy Framework (SPF) to list the hosts that are authorized to
send email for contoso.com.
Which type of record should you create?
A.
mail exchanger (MX)
B.
resource record signature (RRSIG)
C.
text (TXT)
D.
name server (NS)
Explanation:
To configure SPF records in the Windows Server DNS, follow these steps:
1. Click Start, point to All Programs, point to Administrative Tools, and then click DNS.
2. In the left pane, expand the DNS server object, and then expand Forward Lookup Zones.
3. Right-click the domain folder to which you want to add the SPF record, and then click Other New
Records.
4. In the Select a resource record type list, click Text (TXT), and then click Create Record.
5. If you add a record for the parent domain, leave the Record name box blank. If you do not add a record
for the parent domain, type the single part name of the domain in the Record name box.
6. In the Text box, type v=spf1 mx -all.
7. Click OK, and then click Done.
How to configure Sender of Policy Framework records in the Windows Server 2003 Domain Name
System
https://support.microsoft.com/en-us/kb/912716
BY Dumitru
July 21, 2016 at 5:25 pm
The answer is correct (C)
Sender Policy Framework (SPF) is a simple email-validation system designed to detect email spoofing by providing a mechanism to allow receiving mail exchangers to check that incoming mail from a domain comes from a host authorized by that domain’s administrators.[1] The list of authorized sending hosts for a domain is published in the Domain Name System (DNS) records for that domain in the form of a specially formatted TXT record.
SPF always will be a TXT record.
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Definitely C, I had this question in my Exam this week.
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