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When setting up DNS records for clients moving to hosted email, typically there are multiple MX records created.

I have a client using Office365, and the DNS section of the Admin tool only lists a single MX option.

Is this something I should be concerned about?

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migrated from superuser.com Jan 11 '13 at 19:02

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up vote 2 down vote accepted

Nope, Office 365 utilizes a single MX DNS record. Behind the scenes Microsoft uses their network to spread the DNS and MX servers around the world. They perform geo-DNS resolutions for you to find current up servers and the closest one to you.

Nothing to be worried about.

From Microsoft

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