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Instances in our VPC cannot resolve the internal.corp names that on-premises systems depend on. How is hybrid DNS supposed to be wired?

Hybrid DNS fails in both directions independently. Outbound rules carry VPC queries to your data centre, inbound endpoints bring on-prem queries back here, and both halves need wiring.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

Hybrid DNS fails in both directions independently. Outbound rules carry VPC queries to your data centre, inbound endpoints bring on-prem queries back here, and both halves need wiring.

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