unblock dns server

One of the most important components of any current TCP/IP network is the DNS server. A number of things a DNS server can accomplish, such as parsing an Internet URL into an IP address, resolving the host name on the local network, and providing the infrastructure on which the Windows Active Directory depends. Therefor

Believe that on weekdays, many friends have encountered the DNS server did not respond to the problem, then what is the cause of this failure? And how should we solve it? The DNS server supports multi-line parsing, especially for operators with multiple export lines. DNS se

DNS server is responsible for the work of domain name resolution, its importance is self-evident. If there is a problem with the DNS server in the network or if the information data is lost, the server will not be able to complete the domain name parsing work. Therefore, you

DNS Overview: DNS is the domain Name System, which is a distributed database, organized into a domain hierarchy of the structure of the computer and Network service naming system. Its role is: to transform the domain name into a network can identify the IP address, the results of the query to save, and told the client. Second, DNS query process 1. Local resolut

The service provided by the DNS server is the task of converting the host name and domain name to an IP address. Why do I need to convert the hostname and domain name to an IP address? This is because when a client on a network accesses a resource on a server, the user enters the browser's address bar with the easy to remember host name and domain name. The conne

Reference URL: http://www.unixmen.com/dns-server-installation-step-by-step-using-centos-6-3/DNS (Domain name System) translates host names or URLs into IP addresses. For example, if "www.unixmen.com" is in the browser,DNS server translates the domain name into an IP address

A DNS server, or name server, is used to resolve an IP address to a hostname or vice versa.You can set up four different types of DNS servers: Amaster DNS Server for your domain (s), which stores authoritative records

Article Title: DNS server security strategy under solaris10. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. A DNS server is a server th

For a Microsoft Windows 2000 version of this article, see 245437 (http://support.microsoft.com/kb/245437/EN-US/). Warning: Improper use of Registry Editor can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems caused by improper use of the registry can be resolved. Using Registry Editor requires your own risk. This pageOverview More information Use Registry control cache time subnet Priority Division SummaryWindows contains th

{192.168.200.103; }; };Modify the listener address of the master profile "/etc/named.conf" from the server and allow the query address to any,To modify a zone file:[Email protected] yum.repos.d]# vim/etc/Named.rfc1912.zones Zone"dns.com"In {type slave; Masters {192.168.200.102; }; File"Slaves/slave.dns.com.zone"; 　　}; Zone"200.168.192.in-addr.arpa"{type slave; Masters {192.168.200.102; }; File"Slaves/slave.192.168.200.arpa"; };Add to boot start item

One, the type of DNS server①Primary DNS Server (Master)A domain's master server holds the zone configuration file for that domain, and all of the configuration and changes are made on that server, and this essay explains how to co

DNS, domainnamesystem, or domainnameservice (Domain Name System or multiple-Name Service ). The domain name system assigns domain name addresses and IP addresses to hosts on the Internet. When a user uses a domain name address, the system automatically converts the domain name address to an IP address. Domain Name Service is an internet tool that runs the domain name system. The server that executes the Dom

I. DNS Master-Slave understandingMaster-Slave server, in the beginning of the understanding, that is the primary DNS server hangs, (the DNS service automatically turned to the secondary DNS se