诺顿提供免费DNS服务

诺顿是著名杀毒软件，这次也推出了免费DNS解析服务

要想使用Norton DNS Public，只需将你的电脑DNS设置为：

198.153.192.1
198.153.194.1

我这里上海电信ping一下,比google 的8.8.8.8 慢了一点。

C:\Documents and Settings\User>ping 198.153.192.1

Pinging 198.153.192.1 with 32 bytes of data:

Reply from 198.153.192.1: bytes=32 time=134ms TTL=48
Reply from 198.153.192.1: bytes=32 time=134ms TTL=48
Reply from 198.153.192.1: bytes=32 time=133ms TTL=48
Reply from 198.153.192.1: bytes=32 time=134ms TTL=48

Ping statistics for 198.153.192.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 133ms, Maximum = 134ms, Average = 133ms

设置指南
http://www.nortondns.com/windows.html

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google 的免费dns

8.8.8.8
8.8.4.4

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opendns的免费dns

208.67.222.222
208.67.220.220

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其它短dns

4.3.2.1
4.2.2.1
4.2.2.2
4.2.2.3
4.2.2.4
4.2.2.5
4.2.2.6