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Form analysis
3 forms found in the DOM

Name: login-form — POST https://geek-university.com/wp-login.php?redirect_to=https%3A%2F%2Fgeek-university.com%2Fnslookup-command%2F

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    <label>Password <a href="https://geek-university.com/wp-login.php?action=lostpassword" tabindex="5" class="tip vbpforgot" title="" data-original-title="Forgot Password"><i class="icon-question"></i></a><br>
      <input type="password" tabindex="2" name="pwd" id="sidebar-user-pass" class="input" value=""></label>
    <div class="checkbox small">
      <input type="checkbox" name="sidebar-rememberme" id="sidebar-rememberme" value="forever"><label for="sidebar-rememberme">Remember Me</label>
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    <input type="submit" name="user-submit" id="sidebar-wp-submit" data-security="2be549c09d" value="Log In" tabindex="100">
    <input type="hidden" name="user-cookie" value="1">
    <div id="wplms_forgot_password_form">
      <a class="back_to_login small">‹ back to login</a>
      <input type="email" placeholder="Enter registered email id" class="form_field" value="">
      <button id="vbp_forgot_password" class="button" data-security="ff9c5c73bc">Get reset password link</button>
    </div>
  </div>
</form>

POST #wysija

<form id="form-wysija-2" method="post" action="#wysija" class="widget_wysija">
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  <input class="wysija-submit wysija-submit-field" type="submit" value="Subscribe!">
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</form>

GET https://geek-university.com/

<form role="search" method="get" id="searchform" action="https://geek-university.com/">
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</form>

Text Content

 * CCNA online course
 * Linux online course
 * VMware ESXi online course
 * Nmap online course
 * MySQL online course
 * Raspberry Pi online course
 * Apache HTTP Server course
 * VMware Player online course
 * Splunk online course
 * SQL online course
 * Oracle VirtualBox online course
 * Python online course
 * Asterisk course
 * VMware Workstation Player course
 * Process Explorer course
 * Pillow online course
 * Create a web crawler in Python
 * A short introduction to…

 * Login
 * 

 * Courses
 * Books
 * FAQ
 * Contact

Username
Password

Remember Me
‹ back to login Get reset password link

 * All courses
   * CCNA course
   * Linux course
   * VMware ESXi course
   * Nmap course
   * MySQL course
   * Raspberry Pi course
   * Apache HTTP Server course
   * VMware Player course
   * Splunk online course
   * SQL course
   * Oracle VirtualBox course
   * Python course
   * Asterisk course
   * VMware Workstation Player course
   * Process Explorer course
   * Pillow online course
   * Create a web crawler in Python
 * A short introduction to…
   * Nmap
   * Process Explorer
 * Howtos
   * Recover root password on CentOS
 * 


NSLOOKUP COMMAND

nslookup (name server lookup) is a tool used to perform DNS lookups in Linux. It
is used to display DNS details, such as the IP address of a particular computer,
the MX records for a domain or the NS servers of a domain.

nslookup can operate in two modes: interactive and non-interactive. The
interactive mode allows you to query name servers for information about various
hosts and domains or to print a list of hosts in a domain. The non-interactive
mode allows you to print just the name and requested information for a host or
domain.

The interactive mode

The interactive mode is entered by typing the nslookup command without any
arguments:



To find the IP address of a host, simply type the hostname:



To perform a reverse DNS lookup, enter the IP address of a host:



To display MX records (the mail servers responsible for accepting email messages
on behalf of a recipient’s domain), set the DNS query type to MX:



To display NS records, set the DNS query type to NS:



The non-interactive mode

The non-interactive mode is invoked by typing the nslookup command, followed by
the name or the IP address of the host to be looked up.

For example, to display the IP address of a hostname, use the following command:



To do a reverse DNS lookup, use the following command:



To display the MX records, use the -query=mx option:



To display the NS records, use the -query=ns option:



To display the SOA record (information about the domain), use the -query=soa
option:



To display all the available DNS records, use the -query=any option:



The nslookup program is officially deprecated, meaning that it’s no longer being
maintained. You should use host or dig instead.

 * 
 * 
 * 

 * dig command
 * netstat command

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REPORT THIS ADLINUX COURSE

 * Overview
 * What is Linux?
 * Differences between Linux and Windows
 * Differences between Unix and Linux
 * Linux distributions
 * Linux kernel
 * File structure in Linux
 * Filesystem Hierarchy Standard (FHS)
 * Installation
 * Change the boot order in BIOS
 * Install Ubuntu
 * Install CentOS on VMware Player
 * Login to Ubuntu
 * Shell
 * The shell in Linux
 * Bourne-again shell (Bash)
 * Start the shell in Ubuntu
 * Essential Linux commands
 * Command line history
 * Manual pages
 * info command
 * Manage directories
 * Manage files
 * Environment variables
 * Common environment variables
 * PATH environment variable
 * Inode
 * Links
 * Hard links
 * Symbolic links
 * Wildcard
 * Streams
 * Redirect input and output
 * Pipe data between programs
 * Sort lines of a text file
 * Search for text strings using grep
 * Search for files using find
 * Search for files using locate
 * Count lines in a file
 * Determine file type
 * whereis command
 * Display last lines of a text file
 * Display first lines of a text file
 * Split the output of a program
 * Editing text
 * Text editors
 * gedit text editor
 * KWrite text editor
 * Pico text editor
 * nano text editor
 * less text viewer
 * Managing processes
 * What is a process?
 * List all running processes
 * top command
 * Kill a process in Linux
 * Kill a process by name
 * Change process priority
 * Background and foreground processes
 * jobs command
 * Install applications
 * Package managers
 * RPM Package Manager
 * yum package manager
 * Debian package manager
 * Advanced Packaging Tool (APT)
 * apt-cache command
 * apt-get command
 * dselect
 * aptitude
 * Synaptic Package Manager
 * tar (tape archive) program
 * cpio program
 * Convert between packages
 * Manage users
 * root account
 * Create users
 * Delete users
 * Modify users
 * Manage passwords
 * /etc/passwd file format
 * /etc/shadow file format
 * Change passwords
 * Manage groups
 * Linux groups
 * Create groups
 * Delete groups
 * Modify groups
 * /etc/group file format
 * Administer groups
 * Customize a user's work environment
 * Permissions
 * UID (User Identifier) and GID (Group Identifier)
 * Manage file ownership
 * Change file ownership
 * Permissions basics
 * Permission bits
 * Identify file type
 * Modify file permissions
 * Set the default permissions for newly created files
 * Change file attributes
 * Manage hardware
 * proc filesystem (procfs)
 * IRQ (Interrupt Request)
 * I/O ports
 * DMA (Direct Memory Access)
 * Kernel modules
 * Load kernel modules
 * Remove kernel modules
 * Identify CPU
 * Find out more information about your system
 * Display information about USB devices
 * Boot Linux
 * GRUB version 1
 * GRUB version 2
 * Alternative boot loaders
 * dmesg command
 * Runlevels
 * /etc/inittab
 * Change runlevel
 * Network protocols
 * What is an IP address?
 * What is a MAC address?
 * What is DHCP?
 * What is DNS?
 * Basic networking
 * ifconfig command
 * Configure a static IP address in Ubuntu
 * Configure DHCP client on Ubuntu
 * Configure DNS settings
 * /etc/hosts file
 * Configure hostname
 * Network tools
 * ping command
 * traceroute command
 * host command
 * dig command
 * nslookup command
 * netstat command
 * tcpdump command
 * whois command
 * IP forwarding
 * Overview of file systems
 * File system
 * ext2fs
 * ext3fs
 * ext4fs
 * Reiser file system
 * XFS file system
 * JFS file system
 * FAT file system
 * NTFS file system
 * ISO-9660 file system
 * Disk partitioning
 * What is partitioning?
 * Swap partition
 * Hard disk interfaces
 * MBR partitions
 * GPT partitions
 * Configure hard disks
 * fdisk utility
 * GNU Parted utility
 * Create a file system
 * Mount a file system
 * /etc/fstab file
 * Mount a USB device
 * Check disk space
 * Check file disk usage
 * Check file systems
 * Obtain file system information
 * Adjust file system parameters
 * Debug a file system
 * Configure disk quotas
 * Disk quotas
 * Enable quota support
 * Set quotas
 * Disk quota reporting
 * Logging
 * syslog protocol explained
 * syslogd
 * rsyslog
 * Create a log entry
 * Rotate logs
 * Common log files
 * /var/log/messages file
 * Schedule jobs
 * Schedule jobs with cron
 * User cron jobs
 * Schedule jobs with anacron
 * Schedule jobs with at
 * Date and time
 * date and hwclock commands
 * Network Time Protocol (NTP)
 * Configure NTP client
 * Configure NTP server
 * Email
 * Email protocols
 * Mail server
 * Read and send mail
 * Redirect email
 * Shell scripting
 * Shell scripts
 * Create shell scripts
 * Write shell scripts
 * if statement
 * case statement
 * for loop
 * while loop
 * until loop
 * Miscellaneous
 * Show the full path of shell commands
 * Remove duplicate lines from a text file
 * Join lines of two files
 * Merge files line by line
 * Convert tabs to spaces
 * Prepare a file for printing
 * Split a file into two or more files
 * Archive a filesystem
 * Filter text
 * Shut down the system
 * Halt, reboot, and power off the system
 * Create aliases
 * Octal dump
 * Number lines in a file
 * Measure time of program execution
 * Change characters
 * Reformat paragraphs
 * type command

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