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Use redundant DNS servers#

Reliability · Virtual Network · Azure.VNET.SingleDNS

VNETs should have at least two DNS servers assigned.

Description#

Virtual networks (VNETs) should have at least two (2) DNS servers assigned.

Recommendation#

Virtual networks should have at least two (2) DNS servers set when not using Azure-provided DNS.

Using a single DNS server may indicate a single point of failure where the DNS IP address is not load balanced.


Last update: 2021-12-04