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我尝试运行以下 dig 命令: dig www.google.com ANY
dig google.com ANY
但我总是得到响应
;; Connection to 172.16.137.2#53(172.16.137.2) for www.google.com failed: connection refused.
我尝试了许多其他域但没有任何改变。可能的问题是什么?