Thursday, September 21, 2017

免费公用DNS服务器

一、免费公用DNS服务器

较权威的免费公用DNS服务器提供商有Google、OpenDNS、Comodo等。

Google Public DNS

The Google Public DNS IP addresses (IPv4) are as follows:

8.8.8.8
8.8.4.4

The Google Public DNS IPv6 addresses are as follows:

2001:4860:4860::8888
2001:4860:4860::8844

Some devices use separate fields for all eight parts of IPv6 addresses and cannot accept the :: IPv6 abbreviation syntax. For such fields enter:

2001:4860:4860:0:0:0:0:8888
2001:4860:4860:0:0:0:0:8844

OpenDNS Public DNS

OpenDNS IPv4 Sandbox IPs:
208.67.222.222
208.67.220.220

OpenDNS IPv6 Sandbox IPs:
2620:0:ccc::2
2620:0:ccd::2

Comodo Secure DNS

8.26.56.26
8.20.247.20

百度公共DNS

180.76.76.76

Opennicproject

151.236.6.156
118.88.20.195
45.32.28.232 (TOK, JP)
5.9.49.12 (DE)
193.183.98.154 (IT)
89.18.27.34 (BUH, RO)

DynDNS

216.146.35.35
216.146.36.36

Dnsadvantage

156.154.70.1
156.154.71.1

SafeDNS

195.46.39.39
195.46.39.40

Norton

198.153.192.1
198.153.194.1

GTEI DNS (now Verizon)

4.2.2.1
4.2.2.2
4.2.2.3
4.2.2.4
4.2.2.5
4.2.2.6

Freenom World Public DNS

80.80.80.80
80.80.81.81

二、DNS基准测试软件

GRC’s DNS Benchmark是一个免费的DNS测试软件,运行软件后会自动载入操作系统设定的DNS地址和软件提供的一些其他IP地址。
官方网站:http://www.grc.com/dns/benchmark.htm

namebench是Google推出的一款DNS测速工具,由Google工程师开发,主要目的是希望能够帮助用户正确查找出最有效的DNS中最快的一个,使网速在同等条件下能够达到最快。Namebench是一款跨平台的开源测试工具,支持Windows、Linux和Mac平台,采用图形用户界面,提供命令行接口。有了这个工具,你就可以轻松的找到最快的DNS了。
官方网站:https://code.google.com/p/namebench/
官方网站:https://github.com/google/namebench/

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