二、dns原理dns 查询时，会先在本地缓存中尝试查找，如果不存在或是记录过期，就继续向 dns 服务器发起递归查询,这里的 dns 服务器一般就是运营商的 dns有一些公网的dns服务器，也可以使用，其中最有名的就是google的8. 8.8. 8和level 3的4. 2.2.2。
2020-7-20 · In this documentation, we can check how to configure your network settings to use Google public DNS. Google Public DNS IP addresses are the following: IPV4: 8.8.8.8 8.8.8.4 IPV6: 2001:4860:4860::8888 2001:4860:4860::8844 Change DNS Server Settings: ( Please save your current IP address somewhere before you proceed. So that you can revert back the […] Get Started | Public DNS | Google Developers 2020-6-25 · If there are any IP addresses listed in the Preferred DNS server or Alternate DNS server, write them down for future reference. Replace those addresses with the IP addresses of the Google DNS servers: For IPv4: 8.8.8.8 and/or 8.8.4.4. For IPv6: 2001:4860:4860::8888 and/or 2001:4860:4860::8844. 8.8.8.8, A DNS Number for Faster Browsing - InfoQ 2009-12-4 · Google is offering two DNS servers for public use, namely 8.8.8.8 and 8.8.4.4, in an attempt to further speed up browsing.. A DNS server is used to translate a web name, a literal identifier, into DNS keep changing to 8.8.8.8 & 9.9.9.9 - Microsoft Community 2020-3-18
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Jul 28, 2011 · 8.8.8.8 (and 8.8.4.4) is Google's public use DNS server. What the DNS does is essentially translate what you type into the address bar into something the computer can understand (and vice versa). If you type example.com into the address bar, for example, your DNS translates it to 93.184.216.119 which is something a computer can work with. The line dns-nameservers 8.8.8.8 sets up a DNS server with the IP address of 8.8.8.8 as our DNS server (it is a public DNS server from Google). To configure multiple DNS servers, just add spaces between them: dns-nameservers IP_ADDRESS1 IP_ADDRESS2 IP_ADDRESS3… Save the file and exit.
Feb 27, 2019 · In our example below you will see that we have defined both 8.8.4.4 and 8.8.8.8 which are Google’s Public DNS servers. static domain_name_servers=8.8.4.4 8.8.8.8. If you don’t want to utilize Google’s DNS Servers for your Raspberry Pi, there are a few other popular alternatives.
2020-5-28 · This setting makes it doing a regular DHCP request for IP address configuration of your host, but it will ignore other non-mandatory options like DNS servers suggested. DNS Servers: 8.8.8.8… How to make Android use the DNS server of your choice 2020-3-26 · Choosing a custom DNS on Android 8 Oreo Unfortunately, changing these settings opens up a series of new problems. For one, you're going to have to … Google Public DNS represents two servers with IP addresses for IPv4 – 8.8.8.8 and 8.8.4.4. 8.8.8.8 is the primary DNS, 8.8.4.4 is the secondary one. Google DNS service is free to use and can be used by anyone who has access to the Internet. In this documentation, we can check how to configure your network settings to use Google public DNS. Google Public DNS IP addresses are the following: IPV4: 8.8.8.8 8.8.8.4 IPV6: 2001:4860:4860::8888 2001:4860:4860::8844 Change DNS Server Settings: ( Please save your current IP address somewhere before you proceed. So that you can revert back the […] Jun 25, 2020 · Optionally you can also remove all default DNS servers in the list. For IPv4: 8.8.8.8 and/or 8.8.4.4; For IPv6: 2001:4860:4860::8888 and/or 2001:4860:4860::8844; Switching back to Automatic will restore the DNS server specified by the Wi-Fi network.