In a recursive query, the client expects the server to respond the full answer ( i.e., to resolve a name to the IP address ). 在递归查询中,客户端预期服务器响应完整的答案(即,将某个名称解析为IP地址)。
Forwarders & This sets the list of DNS hosts that will be queried when a recursive query is sent to the DNS server that the server is unable to answer. forwarders&此选项设置DNS主机列表,当向DNS服务器发送该服务器无法回答的递归查询时,将查询这些主机。