nslookup troubleshooting

NSLookup -Qt = mx Email server IP address or domain name The domain name or IP address of the specified DNS server. Usage:Query IP addresses The simplest use of NSLookup is to query the IP address corresponding to the domain name, including the

Refer: http://www.renhaibo.com/archives/29.html     We are familiar with the ping command. It is a command for checking network conditions. When the input parameter is a domain name, it will be queried through DNS, however, only records a and cname (

Nslookup (name server lookup): a tool used to query Internet domain name information or diagnose DNS server problems. Let's take a look at the installation method. CentOS 6.xis installed in the new VPS, and the nslookup command is not installed by

Original: http://www.cnblogs.com/Security-Darren/p/4700387.htmlA network failure to troubleshoot a Linux system.Network troubleshooting is generally a certain way of thinking and order, in fact, the idea of troubleshooting is based on the specific

Network troubleshooting and viewing in linux, and network troubleshooting in linux Basic troubleshooting errors Troubleshooting must be simple and complex. Some people repeatedly configure the above files, but they cannot access the network. They

Netstat Command Overview:Netstat is a very useful tool for monitoring TCP/IP networks, which can display routing tables, actual TCP network connections, TCP and UDP snooping, process memory management, and status information for each network

In the actual application process may encounter the problem of DNS parsing errors, that is, when we access a domain name can not be completed to resolve the work of the IP address, and the direct input of the Web site IP can be normal access, this

In actual application, DNS resolution errors may occur, that is, when we access a domain name, it cannot be resolved to an IP address, however, you can directly enter the website IP address for normal access, which is caused by a DNS resolution

In the actual application process may encounter the problem of DNS parsing errors, that is, when we access a domain name can not be completed to resolve the work of the IP address, and the direct input of the Web site IP can be normal access, this

Article Title: LinuxDNS server troubleshooting. 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. Currently,