You are viewing a single comment's thread from:RE: DNS及其应用View the full contextView the direct parentinmaldrerah (25)in #cn • 4 years ago 应该是因为除了A和AAAA以外别的记录(如MX,CNAME)的查询是按照进入dns出站协议时的情况原样发出的,即发往docodemo-door的转发位置,不设置的话可能发到别的地方去