alternate dns server ip

"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

It is most convenient to set up the Internet in the virtual machine, because there is no need to manually set up the Internet, but Nat's Internet mode by default is DHCP dynamically assigned IP, which means that every time you restart the virtual machine has a different IP address, which is not a problem for the general user. But if you have special use of the machine, such as the

first half and iteration of the second half.The Recursion Method consumes a lot of resources. Generally, it only recursion the local client. Resolution MethodForward resolution: Name → IPReverse resolution: IP → FQDNHow is the parsing process implemented?In the tree structure just now, the upper level will always know the lower level, and the lower level will never know where the upper level is.Just like IBM never knows where. com is.Therefore, as lo

It is most convenient to set up the Internet in the virtual machine, because there is no need to manually set up the Internet, but Nat's Internet mode by default is DHCP dynamically assigned IP, which means that every time you restart the virtual machine has a different IP address, which is not a problem for the general user. But if you have special use of the machine, such as the

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)—————————————

first byte, the Class B address is the first to second byte, and the Class C address is tertiary bytes. The first byte of the IP address must be at the next level of in-addr, but the FQDN is written from the bottom of the tree.The IN-ADDR domain and the anti-write IP address affect us only if you are dealing directly with DNS using the host program or the TCPDUM

DNS. NEW: Text document, copy the following code to the text document, save as set IP Address.bat, double-click to run, you can! @echo offEcho **************************************************************************echo * Modify IP address, DNS *echo *

in/etc/hosts. GATEWAY = 192.168.1.1 # Set the IP address of the GATEWAY connected to the local machine. * ********* After the above files are modified, You need to restart the NIC to take effect:# Service network restart******** CentOS DNS Modification After all the above changes, when you ping a domain name, you will be unable to get through, but ping the corresponding

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