确定某个挖掘答案是否权威
我被要求确定这个挖掘答案是否权威。
我会说是的，但我不太热衷于此。
相信它确实具有权威性的理由是，AUTHORITATIVE SECTION 包含两个地址，从 ADDITIONAL SECTION 映射到 194.117.22.138< /code> 和 10.101.85.6。
我们知道这个答案是194.117.22.138回复的，所以肯定是服务器是权威的。
我的推理是正确的还是我在这里采取了错误的方法？
I'm being asked to determine whether this dig answer is authoritative or not.
I'd say yes, but I am not too keen on that.
The rationale behind believing it is indeed authoritative is that the AUTHORITATIVE SECTION contains two addresses, that from what one can see from the ADDITIONAL SECTION map to 194.117.22.138 and 10.101.85.6.
We know that this answer was replied from 194.117.22.138, so it must be the case that the server is authoritative.
Is my reasoning correct or am I taking the wrong approach here?
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请参阅
dig输出第三行的 DNS 响应标志。有一个名为aa的标志，意思是“权威答案”。Please see DNS response flags on the third line of
digoutput. There is a flag namedaawhich means "authoritative answer".