Hands-On Lab Training for CompTIA Security+: Gain Practical Proficiency | nslookup

In this lesson, we will use the nslookup utility to assess organizational security.

We are in the nslookup portion of the video series. This lesson is part of a video series that prepares you for the hands-on portion of the CompTIA Security+ exam and is designed to give you hands-on experience with the Operations and Incident Response section of the exam. So, what is nslookup?

► What: The nslookup command is a network utility in Linux used to query DNS (Domain Name System) servers to resolve domain names into IP addresses..
► Who: Network administrators, system administrators, and anyone troubleshooting network-related issues use the nslookup command.
► When: The nslookup command is used whenever there is a need to check or troubleshoot DNS-related problems, resolve domain names, or obtain IP address information.
► Where: The nslookup command is used in the command-line interface (CLI) of Linux systems and is available on most Unix-like operating systems
► Why: The nslookup command is used to diagnose and resolve DNS-related issues, verify DNS records, and perform DNS lookups for debugging network problems.
►How: To use the nslookup command, open a terminal and type nslookup followed by the domain name or IP address you want to query. You can also specify a DNS server to query if needed. The rest of the 'how' is what this video is all about, so let's get into it!

To get started, grab the companion guide from the link in the show notes below. Also, if you like this content, make sure to subscribe to the channel so you won't miss any new videos.

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