ping primary domain name server fail

Introduction of DNS System 1.) The role of the DNS system is to maintain a host domain name and IP address of the corresponding relational database, when necessary for client network program to provide address resolution function Forward resolution: resolves the host name (domain

. Then ping BaiduNone of this is any problem.4. Configuring the primary Domain name serverFirst create a lookup zone in configuration file/etc/named.confThe lookup zone is of type Master. Represents the primary domain.The zone configuration file is named Example.com.zone. Be

Dns_bind_ master-slave domain name serverIn a real network environment, a primary server often does not meet all user needs, from the server can crawl the specified zone data files from the primary

DNS (domain Name System), the Internet as the domain name andIP Addressone of the mutual mappingsDistributed databaseTo make it easier for users to accessInternet, instead of remembering the number of IP strings that can be read directly by the machine. ThroughHostname, the process of eventually getting the IP address

file. Windows Server 2003 enables universal domain name resolution The DNS server for a Windows Server 2003 system implements a generic domain name resolution that allows you to use

data files are stored in this directory; 2 The second line specifies named as the primary domain name server for the company.com, and Db.company file contains parsing data for all *.my.com forms of domain names. 3 The third row specifies named as the conversion master

Many enterprises have set up multiple Web sites to meet the work needs of employees. To save costs, these websites usually adopt the virtual host technology, that is, building multiple websites on the same server, employees use second-level domain names to access these sites. However, it takes a lot of effort to maintain these second-level domain names, but we ca

First PS a bit. Tonight tried the N method, finally found a reliable free use of the method, to modify their own computer to become a server, the external network can also be accessed through the domain name!!!Things to prepare for:Tomcat: This is a web container, in fact, this has made the computer become a server, on

No more cost-effective configuration: Hong Kong server Dual core 4G memory Exclusive International bandwidth 5M 399 YuanL5640 12 Core 8G memory Exclusive international bandwidth 5M 899 yuanE5 2670 16 Core 8G Memory Exclusive International bandwidth 5M 1200 yuanqq:2727453595Domain name provider to provide domain name re

2003 enables universal domain name resolution The DNS server for the system implements a universal domain name resolution that allows you to use the "*" character as the host name, as long as it is simple to create a host recor

build from a domain name serverSpecific steps:1. confirm the local network address, host mapping, default DNS server addressthe IP address from the domain name server is set to 173.16.16.6and the hostname is set to ns2.benet.com

I want to use PHP $ _ SERVER [ #039; HTTP_HOST #039;] to retrieve the Domain Name of the current SERVER, but every time it is converted to an IP address? I want to use PHP $ _ SERVER ['HTTP _ host'] to retrieve the Domain

, if you ask your DNS server about Www.google.com It will tell you 172.50.50.50, which is where the attacker's server is! Now attackers can do whatever they want, such as hanging horses or something ...... Of course, this also caused considerable losses to Google!B) DNS ID spoofing (DNS ID spoofing)We can see that when Host X wants to contact host y, it requires a recent IP address. However, in most cases,

Build cache domain name server check domain name service pack hanging on CD and install service pack need to install bind-9.3.6-4.P1.el5Bind-chroot-9.3.6-4.P1.el5Bind-libs-9.3.6-4.P1.el5Bind-utils-9.3.6-4.P1.el5Caching-nameserver-9.3.6-4.P1.el... Build a cache

Secondary DNS server configuration******************The purpose of the secondary server: First, as a backup of the primary DNS server, the second is to share the load of the primary DNS server.The configuration of a secondary DNS server