Blog Post

Microsoft 365 Blog
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Office 365 announces new network connectivity innovations and partnerships

loricraw's avatar
loricraw
Iron Contributor
Nov 04, 2019
A great user experience is critical to delivering on the promise of the modern workplace. The most significant factor that determines the quality of the Office 365 end user experience is network reli...
Updated May 06, 2021
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John_Mighell's avatar
John_Mighell
Icon for Microsoft rankMicrosoft
Jun 10, 2020

Hi acoad ,

Microsoft does not provide general recursive DNS resolvers for customers to point at. Customers should use local DNS infrastructure as close to each branch as feasible (at least within the same region), and that DNS infrastructure will handle lookups for Microsoft-related names based on the nameserver hierarchy published in DNS. Please review the content at aka.ms/PNC - this covers our Network Connectivity Principles, including our approved approach for local DNS requirements.