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Dns cname target is followed until requested type is reached · case 02

Dns cname target is followed until requested type is reached.

Member previewVariant 2 · 3 implementations · 4 checks per implementation

Case contract

Bounded offline decision model: dns cname target is followed until requested type is reached. Inputs are already validated protocol fields; the explicit fixtures define the supported policy, not a complete protocol implementation.

Why this case matters

This deterministic dns resolution model isolates the dns-cname-target-is-followed-until-requested-type-is-reached policy at a network component boundary.

One recorded failure

Sample boundary fixture

This sample comes from the broken implementation of a controlled reproducer.

Boundary fixture	Actual	Expected	Outcome
fixture 2	`true`	`false`	Failed

MEMBER ARCHIVE

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