为啥我这 alidns 突然超流氓进化了

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C:\WINDOWS\system32>nslookup www.youtube.com 223.5.5.5
服务器: public1.alidns.com
Address: 223.5.5.5

非权威应答:
DNS request timed out.
timeout was 2 seconds.
名称: youtube-ui-china.l.google.com
Address: 108.160.162.107
Aliases: www.youtube.com
youtube-ui.l.google.com

C:\WINDOWS\system32>nslookup www.youtube.com 223.5.5.5
服务器: public1.alidns.com
Address: 223.5.5.5

非权威应答:
DNS request timed out.
timeout was 2 seconds.
名称: www.youtube.com
Address: 107.22.161.187

C:\WINDOWS\system32>nslookup www.youtube.com 223.5.5.5
服务器: public1.alidns.com
Address: 223.5.5.5

非权威应答:
DNS request timed out.
timeout was 2 seconds.
名称: youtube-ui-china.l.google.com
Address: 108.160.162.107
Aliases: www.youtube.com
youtube-ui.l.google.com

C:\WINDOWS\system32>nslookup www.youtube.com 223.5.5.5
服务器: public1.alidns.com
Address: 223.5.5.5

非权威应答:
DNS request timed out.
timeout was 2 seconds.
名称: youtube-ui-china.l.google.com
Address: 69.171.239.20
Aliases: www.youtube.com
youtube-ui.l.google.com

C:\WINDOWS\system32>nslookup www.youtube.com 223.5.5.5
服务器: public1.alidns.com
Address: 223.5.5.5

非权威应答:
DNS request timed out.
timeout was 2 seconds.
名称: youtube-ui-china.l.google.com
Address: 108.160.162.107
Aliases: www.youtube.com
youtube-ui.l.google.com

C:\WINDOWS\system32>

其中 69.171.239.20 似乎是非死不可的一个 ip
这种机制似乎不是从固定列表里返回而是返回其他的黑名单域名的正常解析结果
要是这么打乱各种相应返回该怎么应对（ chinadns 最近失效今天才发现原因

223.5.5.5

address

system32

DNS

7 replies • 2015-12-17 08:53:42 +08:00