make dns server

DNS server: Describes DNS service principles, installation, master-slave configuration, and dns master-slave configuration. DNS server: Describes DNS service principles, installation, a

type of operator, these clients when querying the IP address of the domain name, the resulting IP address is the forwarding DNS server corresponding carrier type, This affects the speed at which clients that forward DNS servers access the Web site, which is not used by the same carrier as the forwarding DNS

all of the server ' s caches. #清空DNS缓存Status Display status of the server. #显示bind服务器的工作状态2, RNDC Debug and log:Debug: Displays detailed information in program run (I/O, which is normally recommended to close)Debug Level: 0,1,2,3 ...To raise the debug level:RNDC TraceRNDC Trace LevelRNDC NotraceOpen Query log: Record query action (increase disk I/O)—————————————

"Experimental description"Experimental environment: Add a server ns2.test.com, IP 192.168.0.112;Experimental purpose: The new server is configured to 192.168.0.111 this primary DNS server from the DNS server;" conditions for imple

own hierarchical management system.Like the file system structure, the top-down tree hierarchyThe top is the root node domain name resolution server... Com. net. org. cn. TWTop-level domain name country domain nameIBM. | hp. TechBytesWWWFor example, if IBM has a host named WWW, its name will go from low to high.Www. IB,. com.Www.tech.ibm.com.Generally, it can be divided into 63 domain names, and each segment can contain up to 127 domain names.General

DNS domain Name service and build cache DNS server detailed (2)1.DNS Service Installation: BIND, full name is Berkeley Internet name Domain, this software is maintained by ISC/etc/named.conf: The main function is to define the working properties and areas of the bind process/etc/rndc.key: Full name Remote name Domain C

Install and configure the DNS server in linux, and configure the dns server in linux 1. DNS concept: Simply put, DNS is a service on the system that uses port 53 to provide mutual conversion between domain names and IP addresses

Most DNS cache servers exist in small enterprises. they are not responsible for domain name resolution and are only used to help users query domain name information from other DNS servers. The queried information is saved locally to facilitate the next use of the domain name. it is valid to shorten the domain name query time and save the local information. The following is... information Most

Build a DNS server in Linux and a dns server in linuxSystem Environment: CentOS 6.5 miniIP Address: 192.168.100.1001. Install related software packages# Yum install-y bind * caching-nameserver2. Open firewall ports# Vi/etc/sysconfig/iptables-AINPUT-m state -- state NEW-m tcp-p tcp -- dport 53-j ACCEPT-AINPUT-m state --

DNS servers. This makes it impossible for users to use your public DNS server to resolve other domain names. Increased security by reducing the risk associated with running a public DNS resolver, including cache poisoning. 4. Use DNS Resolver A

DNS Subdomain authorizationRole: Applies to the same DNS organizationThe resolution of the parent/child domain is handled by a different DNS serverThe parent DNS server should have the ability to iterate over the sub-domain nameSubordinate areabelong to different agency mana

Recently, my colleague reported that during the NSLookup test on the Intranet, I found that when I used the Intranet DNS server 192.168.1.1 for resolution, the DNS server responded very quickly and did not Any errors. However, when the DMZ server 51.144.198.99 is used for te

. Protect DNS from cache pollution DNS Cache pollution has become a common problem. Most DNS servers can store DNS query results in the cache before they reply to the requesting host. DNS high-speed cache can greatly improve the DNS