issue with edu.cn about simpledns HOT 13 CLOSED

What OS do you use? You shouldn't add "address" rule because that will resolve anything ends with 'edu.cn' to 202.204.192.1, not using 202.204.192.1 to resolve them.

By default it will use 114.114.114.114 to resolve names of China websites, and use 8.8.8.8 to resolve foreign websites. All names that ends with 'cn' will be resolved by 114.114.114.114. So there shouldn't be any problem.

I'm also in CERNET, by the way.

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win8 ipv6 actually.
/// work...and everything's fine with other .cn website...
///since i'm weak at what you guys do, can you teach me do some self-examination? I pinged xxx.edu.cn ///and it just timed out. there is not a "dig" to use in Windows, either...

you know what?? i find it is the problem with 114!! when I change every .cn to my school's dns it just worked!!!
Thanks for your help!
///BTW, can you assure me simpledns can be useful for a long time? I want to donate a little to show my thanks...

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You can use nslookup for testing DNS query. Dig is also available on Windows. You can find out how to install it here. If you don't want to go through the installing trivial, I can send you a copy.

Sadly, the reason that SimpleDNS is useful for us is because we are both using CERNET where GFW is not very bothering, at least for now. I've tried SimpleDNS on network of China Unicom. It didn't turn out to be that good.

Recently I've heard that DNS poisoning is getting even worse outside the CERNET (TCP querying used to be unaffected, but not now). So I can't guarantee SimpleDNS will be useful forever. It's really beyond our control. But I believe it will still be working for some time, maybe one year or two. At least I hope so. 😄

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hi I have Ubuntu installed these days.
之前装过一次好像运行也成功了（太菜不知道怎么改dns。。。）
可是之后运行sudo: simpledns:提示 command not found
只好再装
pip install之后
“ImportError: No module named names

Command python setup.py egg_info failed with error code 1 in /tmp/pip_build_andrew/simpledns
Storing debug log for failure in /home/andrew/.pip/pip.log”

i need to apt-get...."names"?
还有，在simpledns下，vpn用路由表加速好像也就不行了啊。。感觉simple下连接vpn不容易失败。。。

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可能是依赖安装出错了，names指的可能是Twisted的模块。直接pip install不行的话，试试sudo pip install simpledns --upgrade

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哦这样。。现在发现simple有时候也不方便了。
goagent还是会被封ip，用vpn的话好像它不支持改路由表。。
当然只要能用下去还是会支持的～

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我现在在用Wallproxy，用的是上次知乎上好心人泄露出的一批谷歌地址。知乎上有关内容已经被删掉了。要是你需要的话我可以给你这些地址，说不定好使。

其实也可以尝试一下ShadowSocks，曲径之类的，虽然这两个我都没用过，但是都是名声远扬的，效果应该比VPN好。

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最近封锁挺严的，估计是因为香港那边的原因吧，在**想好好上个网实在太费劲了

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对啊。。靠天吃饭的赶脚。

今天simpledns不管国内国外都有Failure twisted internet defer timeouterror了。。

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就是不管用什么都得走天朝的dns。。。好不爽。话说它们除了投毒还能干嘛。。隐私也会收集吧。。
现在还有能用的本地dns 吗
原来用dnscrypt好像失败了，chinadns只是丢包然后它也是用8.8.8.8。。。dnsforwarder……诶好像还好。。得研究一下它的设置。。
大概懂了。
你用本地dns么

折腾死了
好伤心…………能不能用一个代理当dns用比如自由么，，，人家就是慢了一点可是解析dns从来没问题啊。。。
不用simpledns连vpn也蛋疼。。错误809你没啊。

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除了丢包还能中间人攻击什么的。。。

现在Dnscrypt很不稳定，经常出现长时间被干扰的情况，现在用8.8.8.8然后丢掉干扰包的方法在教育网内暂时还有用，非教育网可能已经不好使了。还有一种方法就是强制采用TCP查询，这样会大幅度降低查询速度，还需要再加一层缓存（如pdnsd）。我以前的方法就是Dnsmasq + Dnscrypt + Pdnsd，现在不行了，Dnscrypt被污染的太厉害了，我博客里有具体的方法 https://skyline75489.github.io/post/my-china-dns.html

现在可以只用Dnsmasq然后使用非标准端口查询，目前看来还是OK的，不知道什么时候又会失效了。

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发现UDP53端口被一个svchost.exe的sharedaccess(ICS)服务占用了。
用bindport或者--upstream-port改了端口，能打开，但是好像dns就不走simpledns了。。

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那就是有应用占用53端口了，DNS默认是53端口，所以换了端口就不会走SimpleDNS了

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