1. What is DNS?
(Domain Name System) domain name system.
In fact, the functions implemented by DNS are very simple and effective, so that users do not need to remember the IP addresses that frequently access the server, you can directly access the
Users who frequently access the Internet may often go to large websites such as Sina and Sohu. They only need to enter their URLs in the browser to access the website. It seems very simple, but technically speaking, but it contains a complicated
DNS ServerDNS OverviewWhen a DNS client wants to communicate with a host, for example to connect www.baidu.com, the client queries the DNS server for the IP address of the host, and when DNS receives the request, the DNS server assists the client in
New features provided by DNSSupports Active Directory AD)Unlike NT 4.0, the domain name of the Active Directory in Windows 2000 Server adopts a DNS name similar to that in the Internet, and the DNS is integrated into the design and implementation of
DNS: domainnamesystem recursive query: you can obtain the final result iterative query after a query: you need to perform multiple queries to obtain the final result. Generally, the application method on the Internet is local recursion, partial
From theory to practice, all-round understanding of DNS2015-11-23 Programmer's Home
Selfboot
Original: http://segmentfault.com/a/1190000003956853
For DNS (Domain Name System) Everyone is certainly not unfamiliar, is not used to
For DNS (domain Name System) Everyone is certainly not unfamiliar, is not used to convert a site's domain name to the corresponding IP. When we find that we can go to QQ but can't browse the webpage, we will think that the domain name server hangs
1. What is DNSDNS: Domain Name Service, which is a hierarchical computer and network Service naming system that implements name resolution (HOSTNAMEDNS uses the C/s architecture, and the service listens on port 53rd of the host's tcp/udp. Transport
DNS: domain name systemRecursive query: the final result is obtained after a query.Iterative query: You must perform multiple queries to obtain the final result.The Application Methods on the Internet are generally local recursion and partial
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