Hierarchical-DNS.md
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**{{name}}.in-addr-servers.arpa** - This server is authoritative for "arpa", "in-addr", and each of the 172 zones for dn42 ip space. For non dn42 ip space NS records to the respective darknet would need to be registered.
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-**{{name}}.dn42-servers.arpa** - This server is authoritative for any RFC 2317 delegations. When generating for the rdns zones if nameservers are registered for a /25-28 inetnum the NS should point here to allow for proper delegation.
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+**{{name}}.dn42-servers.arpa** - This server is authoritative for RFC 2317 delegations. For any inetnum object smaller than /24 and whos parent has no nameserver records, a C class parent zone is created (all its subnetworks are delegated to appropriate namservers with CNAME)
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## Setup
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