>nslookupDefault Server: Address: > （ 不設置類型 直接查詢信息無法獲得）Server: Address: DNS request timed out. timeout was 2 seconds.DNS request timed out. timeout was 2 seconds.*** Request to timed-out> server （ 不設置類型 直接查詢信息可以獲得）Default Server: Address: > Server: Address: Name: Served by:- > set type=all> Server: Address: nameserver = internet address = > server （ 設置類型 查詢信息可以獲得）Default Server: Address: > set type=all> Server: Address: Non-authoritative answer: nameserver = nameserver = internet address = 為什么會存在以上差異？在不設置類型時查詢到的信息是什么樣的信息？和設置set type=all有什么不同？

熱心網友

這是什么?