This question requires that you evaluate the underlined text to determine if it is correct.
Your company is implementing Microsoft Office 365 and Exchange Online. You plan to configure the
necessary public DNS settings. You need to create an SPF record to authorize the email service and
present spoofing.
Instructions: Review the underlined text. If it makes the statement correct, select “No change is
needed”. If the statement is incorrect, select the answer choice that makes the statement correct.
A.
No change is needed
B.
a PTR record
C.
an MX record
D.
a CNAME record
Explanation:
The SPF (TXT) record helps to prevent other people from using your domain to send spam or other
malicious email. Sender policy framework (SPF) records work by identifying the servers that are
authorized to send email from your domain.
External DNS records required for Exchange Online
http://howtonetworking.com/msapps/office365-11.htm
FYI:
These are the main records to add.
Add MX record
Add CNAME records
Add a TXT record for SPF to help prevent email spam
Add SRV records
https://support.office.com/en-us/article/Create-DNS-records-for-Office-365-using-Windows-based-DNS-9EEC911D-5773-422C-9593-40E1147FFBDE
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