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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.
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 (
I. Host directiveFormat: Host [-A] FQDN [server]HOST-L domain [Server]Options:-A: Represents a list of all relevant information about the host, including IP, TTL, and error-removing messages, etc.-L: If the next domain setting allows Allow-transfer,
read the basic requirements of this article:1. The use of the cmd command has a certain basis2. The basic principles of DNS and common concepts have a certain understanding, such as host, alias, forward lookup zone, reverse lookup zone, and so on.3.
As a dog powder ..
I have been very resistant to du Niang .....
But Google is getting farther and farther away.
And google.com.hk is slow as a tortoise...
You can only find a solution. Google is said to have data centers in mainland China,
Http://www.computerhope.com/unix/unslooku.htmAbout NslookupThe nslookup command is used to query Internet name servers interactively for information.Overviewnslookup, which stands for "name Server Lookup", was a useful tool for finding out
IP address |j2se How to use Java to obtain the IP address of a domain name? The class that provides this functionality is called java.net.InetAddress. Let's assume that there is a domain name that uses a static getbyname to regain a inetaddress and
0x01 verifies that CDN
Method 1 is present:
Very simple, using a variety of multi-ping services, to see if the corresponding IP address is unique, if not the only most of the use of CDN, the multi-ping site
Use the ping command to query:
In "Start"-"Run" enter cmd and then type ping www.anzhuo8.net in the pop-up box so
So the following reply from 61.155.149.85 is the IP address of the other side, of course, if there is a CDN acceleration can not
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