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PowerDNS recursor

Configuring Recursor to Forward Queries

The PowerDNS Recursor can be configured to forward queries to dstore, with the following settings.

Recursor 5.1 or later settings in recursor.yml: 

logging.protobuf_servers:
- servers: [192.0.2.10]
  timeout: 2
  maxQueuedEntries: 100
  reconnectWaitTime: 1
  taggedOnly: false
  asyncConnect: false
  logQueries: true
  logResponses: true
  exportTypes: [A, AAAA, CNAME]

Recursor 5.0 settings in recursor.yml 

recursor.lua_config_file: /etc/powerdns/recursor.lua

Recursor 4.9 or lower settings in recursor.conf 

lua-config-file=/etc/powerdns/recursor.lua

For Recursor versions lower than 5.1, the Lua configuration file recursor.lua should then contain a function call to route events from the Recursor to dstore on, say, address 192.0.2.10 as follows: 

protobufServer("192.0.2.10:2000", exportTypes={'A', 'AAAA', 'CNAME'}) -- emit events to dstore

The above configuration will log queries/responses for queries received from clients. To log only queries sent by the recursor to authoritative servers, the following configuration should be used:

Recursor 5.1 or later settings in recursor.yml: 

logging.outgoing_protobuf_servers:
- servers: [192.0.2.10]
  timeout: 2
  maxQueuedEntries: 100
  reconnectWaitTime: 1
  taggedOnly: false
  asyncConnect: false
  logQueries: true
  logResponses: true
  exportTypes: [A, AAAA, CNAME]

For Recursor versions lower than 5.1, the Lua configuration file recursor.lua should contain the following: 

outgoingProtobufServer("192.0.2.10:2000", exportTypes={'A', 'AAAA', 'CNAME'}) -- emit events to dstore

See the PowerDNS Recursor documentation on Lua configuration for more information.