what is nslookup

MX record and MX record priorityMX mx (Mail exchanger) recordis a mail exchange record that points to a mail server that is used to locate a mail server based on the recipient's address suffix when the e-mail system sends a message. For example,

The verification of the validity of email address is a problem often encountered! The general test method is to the email address string for a simple format test, such as whether or not to contain the valid characters such as @. This method only

Maintenance is important when you are setting up to use the Windows Server service. Let's talk about how to maintain and troubleshoot DNS failures. First, the use of dnscmd to facilitate the maintenance of DNS system Similar to UNIX or script

==="First Meeting"I believe that the use of Nslookup students must be more than the use of dig students, so it is necessary to take some time to introduce you to dig.Dig, and Nslookup functions are similar, are DNS query tools.Dig, in fact, is an

There is a lot of knowledge about DNS on the Internet, I will not talk about the principle of DNS and do noun explanation here. In this article we will take an example to describe the configuration of DNS, the experimental environment is as follows:

Java runtime.getruntime (). EXEC (COMMANDSTR) can invoke the Execute CMD command.cmd/c dir closes the command window after executing the dir command.cmd/k dir does not close the command window after executing the dir command.cmd/c start dir will

Gpedit.msc-----Group Policy sndrec32-------Recorder Nslookup-------IP Address Detector Explorer-------Open Resource Manager logoff---------logoff command tsshutdn-------60-second Countdown shutdown command lusrmgr.msc----Native users and Groups

The article translates from ASP101 Operating environment, NT (SERVER, WORKSTATION), W2K Need to install WSH2.0 or later on the server If your system does not currently have WSH2.0 installed, you can download it from the following

Guide Below is a list of the 10 basic network and Monitoring commands that each Linux user should know about. Network and Monitoring commands are similar to these:hostname, Ping,ifconfig, Iwconfig, netstat, nslookup, traceroute, finger, telnet,

Brief introductionVirtual host refers to a certain amount of disk space on the network server, the administrator can take advantage of this part of the space, put the site and application components, provide the necessary data storage and

Chapter 3rd DNS for setting up domain names We'll warm up before the play starts. Intelligent DNS can be said to be the basis of CDN. Believe that everyone do the site will have the following situation: Home page two links, telecommunications users

Linux Nginx 301 Redirect Jump method Summary, there is a need for friends to refer to. The first case: access to the AAAAAAA station directed to the BBBBBBBBBBB station Copy Code code as follows: server { Server_naaaaaaame

What is an IP address?An IP address is a 32-bit digital ID assigned to each computer or network device on a network. On the Internet, the IP address of each computer or network device is unique across the world. The format of the IP address is

In a network set up with the TCP/IP protocol family, each node has a unique IP address that is used as their only token. However, it would be unthinkable if the user were to be remembered for such an IP address without a memory rule. People need a

Running in the Start menu in a Windows system is a good thing to use to open some of the most commonly used programs and services. This is recorded for easy reference. Gpedit.msc--------------------Group Policy Sndrec32------------------Recorder

Failed to download important configuration information, please check network connection This prompt may generally be due to a problem with your network, please try the following methods. 1. Restart the user host or router 2. Check whether the

  C: Documents and SettingsAdministrator> nslookup [This is the first step of the command. "Nslookup" command.]Default Server: YOY.mshome.netAddress: 192.168.0.1 > Set type = ns [step 2. "Set type = ns"]> Server ns.xinnet.cn [step 3. "Server

Linuxcaicai's Common commands-general Linux technology-Linux technology and application information. For more information, see the following. Linux caicai Command to view the linux version # Uname- # Cat/proc/version # Cat/etc/issue # Cat // display

The school's DNS Server is a Linux operating system. When it is bound to DNS, it is always a problem, and often the client computer cannot get the correct resolution. So I studied the bind software for binding domain names in Linux. I use Ubuntu 10.0

Linux server mail configuration postfix (MTA smtp) + dovecot (pop3/imap) + squirrelmail (webmail) + apache + php + bind 1. Set the host name [root @ www ~] # Vim/etc/sysconfig/network [root @ www ~] # Hostname mail.baidu.com [root @ www ~] # Vim/etc/