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
Each IP address can have a host name that consists of one or more strings separated by a decimal point. With the hostname, do not memorize each IP device IP address, just remember the relative intuitive meaningful host name on the line. This is the
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
There are two types of search zones in the DNS server for Windows 2000: Forward lookup Zones and reverse lookup zones. The forward lookup zone is used to process forward parsing, which resolves the host name to an IP address, and the reverse lookup
ConceptDefault dns lookup sequence for linux clients:
Local DNS Cache → local hosts file → preferred DNS server (recursive)
Linux DNS Server Query sequence:The DNS cache of the preferred server → the domain in which the preferred server is
1. Start to install DNS> Settings> Control Panel> Add/delete Program -> Add/delete Windows Components-> "Network Services"-> select "Domain Name Service System (DNS) "-> follow the instructions to install the DNS. 2. Create the DNS resolution region.
Java internal DNS query implementation and parameter settings1. Java internal DNS query
Java uses its own internal domain name implementation mechanism for domain name query, and finally submits it to InetAddress for DNS resolution.
Source code
DNS is one of the core Internet protocols. Whether it's surfing the web or programming, you need to know a little bit about it.This article describes in detail The principle of DNS and how to use the tool software to observe its operation. My goal
First, install DNS
1. Install DNS: Start-Control Panel-Add or Remove Programs-add or remove Windows components, and the following window appears:
2. Scroll down, click "Network Services" by clicking "Details", and the following window appears:
What is the nature of DNS? Domain Name System = DNS (domain name systems) is actually a database, is a distributed database for TCP/IP programs, and is also an important network protocol. DNS stores information about IP addresses and corresponding
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