how to check if reverse dns is working

Originally transferred from http://hi.baidu.com/shyoung/blog/item/b0ccff03fd462481d43f7c5a.html The complete DNS System of the DNS component consists of the DNS server, region, Parser (DNS client), and resource records, and you need to correctly

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

For details about dns settings in linux-Linux Enterprise Application-Linux server application, see the following. ① Introduction DNS is the Domain Name System, which can convert a Domain Name such as www.21php.com to an IP address such as 211.152.50.

Create a DNS server on Linux-Linux Enterprise Application-Linux server application information. For more information, see. I. Assumptions Many DNS articles start with the DNS principle. From the perspective of my use, I will provide some simple and

Lab questions: 1. Forward/reverse DNS resolution 2. Master-slave DNS Synchronization   Lab environment: 1. vmwarevm 2. More than two Linux sub-Machines 3. XP Testing Machine   Experiment process: 1. forward and reverse DNS resolution Tutorial

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

Apply for a mageeu.com domain IP network segment on the Internet for 172.16.100.0/24 Class C networkNS Server: 172.16.100.1www server 172.16.100.1 172.16.100.3Mail server mail 172.16.100.2ftp: On www host, is the alias of WWW serverDownload the

RNDC Related knowledge:1. What is RNDC:Remote Name Domain controllerRNDC communicates with the name server via a TCP connection and sends a digitally signed command. In the current version of RNDC and named, the only supported authentication

DNS OverviewDNS (Domain Name System)Role: Manage the "Household Register" of hosts-Host Name: IP address, which is a distributed city Database SystemOrigin: the earliest host resolution relies on the hosts file and is maintained by the NIC (Network

Experimental Requirements: Establish DNS the principal and subordinate domain name server implements forward reverse queryExperimental steps:1. forward QueryMount and install first Bind Software650) this.width=650; "title=" 1.png "src=" Http://s3.51