.. _log_resolve_hickory: ******* hickory ******* The error log generated by resolvers of type hickory. The keys are mainly the config options of the resolver. bind_addr --------- **optional**, **type**: ip or interface name string The bind IP or interface name for the socket. server ------ **required**, **type**: list of ip address The target dns server. server_port ----------- **optional**, **type**: port number The target dns server port. encryption ---------- **optional**, **type**: string Show the used dns encryption method.