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Technical Brief: Secondary/Multi-DNS Patterns

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TECHNICAL BRIEF: Secondary / Multi-DNS Patterns How Redundant DNS Services Improve the Security, Reliability and Performance of your IT Environment. Users Example.com? 1.1.1.1 Example.com? Example.com? 1.1.1.1 1.1.1.1 Primary Secondary Manages the zone, gives updates Only receives updates from primary Breaking News Recursives Users Example.com? 1.1.1.1 Example.com? 1.1.1.1 Hidden Master Secondary On the side of the customer, outside the delegation. Receives updates just like a normal primary - secondary. Data Recursives Users Example.com? 1.1.1.1 Example.com? Example.com? 1.1.1.1 1.1.1.1 Primary Primary Both managing independent versions of the zone API Daemon Makes concurrent changes on both systems at all times. Recursives

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