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[Help] paopaodns 只能用作局域网dns吗,家里宽带有公网用adh开启了doh给公司电脑用,但是公司电脑是电信宽带,查询的全是家里联通的记录,不能查询最近的服务器 about paopaodns HOT 4 CLOSED

kkkgo avatar kkkgo commented on June 3, 2024
[Help] paopaodns 只能用作局域网dns吗,家里宽带有公网用adh开启了doh给公司电脑用,但是公司电脑是电信宽带,查询的全是家里联通的记录,不能查询最近的服务器

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Comments (4)

kkkgo avatar kkkgo commented on June 3, 2024

你可以阅读这篇文章了解递归DNS的工作原理:《为啥需要递归DNS》
简单来说就是,递归DNS获取的DNS解析,是以你的出口IP和权威DNS沟通的结果,因此无论你用什么办法中转到你的DNS服务器,出口IP还是一样的,你DNS服务器用电信的宽带,就相当于电信运营商级别的DNS,你DNS服务器用联通宽带,就是联通的解析。

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mrzj110 avatar mrzj110 commented on June 3, 2024

mosdns有ecs功能,客户端查询携带的ecs信息查询,类似这个大佬的配置,https://github.com/pmkol/easymosdns

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kkkgo avatar kkkgo commented on June 3, 2024

mosdns有ecs功能,客户端查询携带的ecs信息查询,类似这个大佬的配置,https://github.com/pmkol/easymosdns

上面的文章也有提到这一点。首先,ECS需要权威服务器支持,并不是所有权威服务器支持ECS。其次ECS是作为递归DNS和内网客户端之间的补偿选项,因为你不能和权威DNS直接沟通而折中的产物,如果你已经是递归DNS了,这个就没必要了。最后,就是考虑缓存储存的问题,如果这么弄的话首先要独立运行一套配置,然后redis也要单独跑一套,因为缓存的数据不一样,事情就很复杂了,而上面你提到的支持ECS的功能是因为他并不是递归DNS,数据不在自己手里,而是转发到公共递归DNS上的,就没这个问题,就如文章所述,因为公共DNS本身是有很多台不同线路的服务器的。

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mrzj110 avatar mrzj110 commented on June 3, 2024

好的,谢谢解答

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