|Name server database messages.
|Requests that are approved or denied.
|Parsing and processing of the configuration file.
|Name resolution (including recursive lookups).
|Details about the zone transfers received by the server.
|Details about the zone transfers sent by the server.
|Incoming packets dispatched to the server modules.
|Processing of DNSSEC and TSIG protocols.
|Lame server—for example, when the NS record for a domain
specifies a server that isn't authoritative for the domain.
|Logs values not defined in category statements.