Adding 100.64.0.0/10 Prefixes to the IPv4 Locally-Served DNS Zones Registry, May 2016
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RFC 6598 specifies that "Reverse DNS queries for Shared Address Space addresses [100.64.0.0/10] MUST NOT be forwarded to the global DNS infrastructure."
This document formally directs IANA to add the associated zones to the "IPv4 Locally-Served DNS Zones Registry" to prevent such queries from accidentally leaking to the global DNS infrastructure.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.