INFRA Signal 418
How a device finds encrypted DNS by itself
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Devices can now auto-discover encrypted DNS resolvers without manual configuration using Discovery of Designated Resolvers (DDR).
Engineers no longer need to hardcode encrypted DNS settings into devices or rely on network-wide configurations. This reduces friction for deploying encrypted DNS but introduces a trust gap when upgrading from plain DNS. The trade-off between convenience and security will shape how networks enforce or bypass encryption.
Written by elseif from the cluster below · every claim links back to a sourceThe three things worth knowing
DDR lets devices query their current resolver for encrypted endpoints via a reserved DNS name.
Resolvers can tailor responses to specific profiles, but only if the device is already identified or linked by IP.
Upgrades from plain DNS remain vulnerable to tampering, making direct configuration the more secure option where possible.
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