一般电信常用的DNS服务器是多少?

2025-03-14 12:31:53
推荐回答(1个)
回答1:

北京: 

202.96.199.133 

202.96.0.133 

202.106.0.20 

202.106.148.1 

202.97.16.195 

上海: 

202.96.199.132 

202.96.199.133 

202.96.209.5 

202.96.209.133 

天津: 

202.99.96.68 

10.10.64.68 

广东: 

202.96.128.143 

202.96.128.68 

202.96.128.110 

深圳: 

202.96.134.133 

202.96.154.8 

202.96.154.15 

河南: 

202.102.227.68 

202.102.245.12 

202.102.224.68 

广西: 

202.96.128.68 

202.103.224.68 

202.103.225.68 

福建: 

202.101.98.54 

202.101.98.55 

厦门: 

202.101.103.55 

202.101.103.54 

湖南: 

202.103.0.68 

202.103.96.68 

202.103.96.112 

江苏: 

202.102.15.162 

202.102.29.3 

202.102.13.141 

202.102.24.35 

陕西: 

202.100.13.11 

202.100.4.16 

西安: 

202.100.4.15 

202.100.0.68 

湖北: 

202.103.0.68 

202.103.0.117 

202.103.24.68 

山东: 

202.102.154.3 

202.102.152.3 

202.102.128.68 

202.102.134.68 

浙江: 

202.96.102.3 

202.96.96.68 

202.96.104.18 

辽宁: 

202.98.0.68 

202.96.75.68 

202.96.75.64 

202.96.69.38 

202.96.86.18 

202.96.86.24 

安徽: 

202.102.192.68 

202.102.199.68 

10.89.64.5 

重庆: 

61.128.128.68 

10.150.0.1 

黑龙江: 

202.97.229.133 

202.97.224.68 

河北: 

202.99.160.68 

10.17.128.90 

保定: 

202.99.160.68 

202.99.166.4 

吉林: 

202.98.5.68 

202.98.14.18 

202.98.14.19 

江西: 

202.101.224.68 

10.117.32.40 

202.109.129.2 

202.101.240.36 

山西: 

202.99.192.68 

202.99.198.6 

新疆: 

61.128.97.74 

61.128.97.73 

贵州: 

202.98.192.68 

10.157.2.15 

云南: 

202.98.96.68 

202.98.160.68 

四川: 

202.98.96.68 

61.139.2.69 

重庆: 

61.128.128.68 

61.128.192.4 

成都: 

202.98.96.68 

202.98.96.69 

内蒙古: 

202.99.224.68 

10.29.0.2 

青海: 

202.100.128.68 

10.184.0.1 

海南: 

202.100.192.68 

202.100.199.8 

宁夏: 

202.100.0.68 

202.100.96.68 

甘肃: 

202.100.72.13 

10.179.64.1 

香港: 

205.252.144.228 

208.151.69.65 

澳门: 

202.175.3.8 

202.175.3.3

DNS原理

DNS分为Client和Server,Client扮演发问的角色,也就是问Server一个Domain Name,而Server必须要回答此Domain Name的真正IP地址。

而当地的DNS先会查自己的资料库。如果自己的资料库没有,则会往该DNS上所设的DNS服务器询问,依此得到答案之后,将收到的答案存起来,并回答客户。

DNS服务器会根据不同的授权区(Zone),记录所属该网域下的各名称资料,这个资料包括网域下的次网域名称及主机名称。

在每一个名称服务器中都有一个快取缓存区(Cache),这个快取缓存区的主要目的是将该名称服务器所查询出来的名称及相对的IP地址记录快取缓存区中,这样当下一次还有另外一个客户端到此服务器上去查询相同的名称 时,服务器就不用在到别台主机上去寻找,而直接可以从缓存区中找到该笔名称记录资料,传回给客户端,加速客户端对名称查询的速度。

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