reverse dns entry

DNS ServiceDNS: Domain Nsme ServiceRole: Resolving the domain name to IP (forward parsing) or resolving IP to a domain name (reverse parsing)Classification of DNS top-level domains:Organization domain:. com. net. org .....Country domain:. CN. tw. JP

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

I.  dns theory: DNS: Domain Name Service (domain  nsme  service) role: Resolving Domain names to IP (forward parsing) or resolve IP to domain name (reverse resolution) The classification of DNS top-level domains: Organization domain:.

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

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

type of action of the bind system across the Internet , more than N servers, personal hosts, most of the sites, mail and other servers have used the domain name form of address. such as www.google.com,mail.163.com and so on. It is clear that this

DNS server: Describes DNS service principles, installation, master-slave configuration, and dns master-slave configuration. DNS server: Describes DNS service principles, installation, and master-slave configuration. 1. Introduction to DNS 1. DNS DNS

Implementing reverse proxy in squid Introduction This document describes reverse proxies, and how they are used to improve web server performance. section 1 gives an introduction to reverse proxies, describing what they are and what they are used.

Q: What is "DNS "? Why is it Chinese? A: DNS, simply put, is the Domain Name System. If it is translated into Chinese, it is the "Domain Name System ". Q: What is the purpose of DNS?A: In a TCP/IP network (such as the Internet) Environment, DNS is

1. view the Host IP address resolved by the DNS host name Host CommandPurposeResolve a host name to an Internet address or an Internet address to a host name.SyntaxHost [-n [-a] [-c Class] [-d] [-r] [-t Type] [-v] [-w] [-z] Hostname | Address