nslookup ptr record

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 command Summarydefinition of 0.nslookupNslookup is a command-line tool that Microsoft publishes to detect and debug DNS servers. Two modes: one. Non-interactive mode    nslookup–qt= type target domain name  (the default query type is a

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.

The nslookup command is used to query DNS records to see if domain name resolution is normal and to diagnose network problems in the presence of a network failure. The use of Nslookup is relatively simple, mainly the following several uses. 1.

1) in the Windows system click "start" menu → "run" → "input cmd" (Windows 98 system is command), open the windows system MS-DOS interface. Enter the "NSlookup" command to go to the domain name resolution interface. 2) Enter "set q = mx" and

Spam in the flood of today, spam to our lives, work, learning has brought great harm. Because of the lack of effective authentication mechanism between SMTP servers, even if the use of spam identification blocking technology is still common, and the

First, the question:The Domain Control Server DOS window runs the nslookup command prompt as follows:Second, reason analysis:The main reason is that the DNS server for the domain control server does not have a reverse lookup zone set, and the

1 in Windows system, click the "Start" menu → "Run" → "input cmd" (Windows98 System for command), open the Windows system's MS-DOS interface. Enter the "nslookup" command to enter the domain name resolution interface. 2 Enter "Set Q=MX" to enter MX

Passive Information collectionFeatures:Based on open channelNo direct contact with the targetAvoid leaving all traces.Standard Reference--osint:U.S. militaryNorth Atlantic Treaty Organization noun explanationdns--domain Name System domain Name

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