This article mainly refers to from: http://369369.blog.51cto.com/319630/812889 and made a small change
What is DNS.
Hosts on the internet, like humans, can be identified in a variety of ways. A host's identification method is to use its host name
1. Using DNS Forwarders
DNS forwarders are for other DNS servers
The DNS server that completes the DNS query. The primary purpose of using DNS forwarders is to mitigate the pressure of DNS processing, to transfer query requests from DNS servers to
DNS is an application-level protocol, and DNS provides a mechanism for translating a human-readable hostname or domain name into a computer or network-readable digital address, making it possible for the wide application of the interconnection
The principle of DNS and its analytic process "wonderful anatomy" 2012-03-21 17:23:10Tags: dig wireshark bind nslookup DNS original works, allow reprint, when reproduced please be sure to use hyperlinks in the form of the original source of the
first, what is DNS.
DNS (domain Name System) is the abbreviation for the name systems, a computer and network service naming system that is organized into a domain hierarchy that is used by TCP/IP networks and provides services for converting host
Nginx need to manually specify resolver when communicating through Proxy_pass and upstream server. This error can occur at some point when DNS resolution fails:
Copy Code code as follows:
Domain.com could not to be resolved.
Transferred from: http://369369.blog.51cto.com/319630/812889The principle of DNS and its parsing processWonderful anatomyMost of the network traffic is based on TCP/IP, and TCP/IP is based on the internet, so when the computer communicates on the
Source: http://369369.blog.51cto.com/319630/812889Most of the network traffic is based on TCP/IP, and TCP/IP is based on the internet, so when the computer communicates on the network, it can only recognize IP addresses such as "202.96.134.133" and
"The main content of this blog post"
Introduction to bind server (including Introduction to Client Tools Dig)
Configuring forward parsing DNS servers
Configure Reverse resolution DNS server
Configuring a secondary DNS server and
Network communication is mostly based on TCP/IP, while TCP/IP is based on IP address, so the computer can only recognize the IP address such as "202.96.134.133" when communicating on the network, but cannot know the domain name. We can't remember
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