这个 DNS 问题好奇怪， ping， nslookup 都不好使了，但是网站访问正常。
P99LrYZVkZkg · 2015-01-09 11:56:13 +08:00 · 3671 次点击这是一个创建于 3417 天前的主题，其中的信息可能已经有所发展或是发生改变。
> sudo discoveryutil mdnsflushcache
Password:
> sudo discoveryutil udnsflushcaches
>
> clear
> ping www.baidu.com
PING www.baidu.com (127.128.0.58): 56 data bytes
Request timeout for icmp_seq 0
^Z
[5] + 875 suspended ping www.baidu.com
> nslookup www.baidu.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: www.baidu.com
Address: 127.128.0.58
> nslookup www.sina.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: www.sina.com
Address: 127.128.0.250
> nslookup www.weibo.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: www.weibo.com
Address: 127.128.0.251
> nslookup www.qq.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: www.qq.com
Address: 127.128.0.252
> nslookup fuckyou.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: fuckyou.com
Address: 127.128.0.253
> nslookup xljklsjfljlwejrojsdljfkljwejlfsd.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: xljklsjfljlwejrojsdljfkljwejlfsd.com
Address: 127.128.0.254
>
每次解析到的IP都是+1，都是内网地址。
比如这次解析到的IP是：127.128.0.2
下次随便一个域名解析到的IP就是：127.128.0.3
我用的阿里DNS呀，换百度的DNS结果也是一样的。
奇怪的是浏览器访问各个网站都是很正常的。命令行下用TCP模式也能正常。
Password:
> sudo discoveryutil udnsflushcaches
>
> clear
> ping www.baidu.com
PING www.baidu.com (127.128.0.58): 56 data bytes
Request timeout for icmp_seq 0
^Z
[5] + 875 suspended ping www.baidu.com
> nslookup www.baidu.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: www.baidu.com
Address: 127.128.0.58
> nslookup www.sina.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: www.sina.com
Address: 127.128.0.250
> nslookup www.weibo.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: www.weibo.com
Address: 127.128.0.251
> nslookup www.qq.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: www.qq.com
Address: 127.128.0.252
> nslookup fuckyou.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: fuckyou.com
Address: 127.128.0.253
> nslookup xljklsjfljlwejrojsdljfkljwejlfsd.com
Server: 223.5.5.5
Address: 223.5.5.5#53
Non-authoritative answer:
Name: xljklsjfljlwejrojsdljfkljwejlfsd.com
Address: 127.128.0.254
>
每次解析到的IP都是+1，都是内网地址。
比如这次解析到的IP是：127.128.0.2
下次随便一个域名解析到的IP就是：127.128.0.3
我用的阿里DNS呀，换百度的DNS结果也是一样的。
奇怪的是浏览器访问各个网站都是很正常的。命令行下用TCP模式也能正常。
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1
Septembers 2015-01-09 12:53:40 +08:00 via Android
用dnscrypt
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2
P99LrYZVkZkg OP @Septembers 我用了DnsCrypt，unbound，都一样。
关键最奇怪的是我刚查把网全部断了，重启。 > nslookup ccc.com Server: 127.0.0.1 Address: 127.0.0.1#53 Non-authoritative answer: Name: ccc.com Address: 127.128.0.13 > nslookup ddd.com Server: 127.0.0.1 Address: 127.0.0.1#53 Non-authoritative answer: Name: ddd.com Address: 127.128.0.14 |
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3
loveyu 2015-01-29 15:23:54 +08:00
我也遇到这个问题。无助中，TCP查询的没问题
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4
loveyu 2015-01-29 16:34:52 +08:00
问题出在ProxyCap的Resolve names remotely选项上
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5
P99LrYZVkZkg OP @loveyu 是的，上次差点重装系统，最后在Twitter上查到ProxyCap的问题。
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