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Under .arpa

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.arpa

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Questions

What does an empty list under .arpa mean?

No child extensions match the current filters. It does not establish that the parent has no delegated or historically used child namespaces.

Does a parent extension’s price apply to its children?

No. A child suffix is a separate namespace for pricing, eligibility, and availability evidence.

.arpa second-level domains & rules | tld.wiki