Uploaded January 2025 | Updated September 2026, 2 weeks ago
Ready to explore the world of DNS troubleshooting on Linux? In this episode of the Linux Crash Course series, you’ll learn how to use the powerful nslookup command to look up DNS records, verify hostname resolutions, and troubleshoot domain issues. Whether you’re just starting your Linux journey or looking to sharpen your networking skills, this tutorial will walk you through the basics of nslookup step-by-step.
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🕐 Time Codes
00:00 - Intro
01:05 - Important info regarding the nslookup command
02:43 - Installing nslookup
03:28 - Basic usage of the nslookup command
04:09 - Subdomain
04:57 - Shop
05:49 - Querying MX records with nslookup
06:48 - Querying TXT records with nslookup
07:44 - Querying Nameserver (NS) records with nslookup
08:24 - Using a different nameserver for your queries
10:20 - Performing a response test with time and nslookup
*📘 FAQ*
- What is a "Distribution" of Linux? ➜ linux.video/what-is-a-distro
- What is a "Desktop Environment"? ➜ linux.video/desktop-environment
- Which Server Distro should I use? ➜ linux.video/which-server-distro
- How do I create USB install media? ➜ linux.video/install-media
- How do I connect to a server via SSH? ➜ linux.video/use-ssh
- How do I use apt? ➜ linux.video/apt
- How do I use dnf? ➜ linux.video/dnf
- How do I install Arch Linux? ➜ linux.video/install-arch
- How do I configure SSH? linux.video/ssh-server
- How do I install updates? ➜ linux.video/updates
- How do I secure my Linux Server? ➜ linux.video/every-server
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Some links in this description are affiliate links. If you purchase through them, Learn Linux TV may earn a commission at no additional cost to you. This helps keep the content flowing.
- learnlinux.tv/content-ethics
*⚠️ Use Content Responsibly*
Learn Linux TV shares technical content intended to teach and help you, but it comes with no warranty. The channel is not liable for damages resulting from its use. Always ensure you have proper permission, follow organizational policies, protect important data, and comply with applicable laws.
#CloudComputing #DevOps #Linux
Ready to explore the world of DNS troubleshooting on Linux? In this episode of the Linux Crash Course series, you’ll learn how to use the powerful nslookup command to look up DNS records, verify hostname resolutions, and troubleshoot domain issues. Whether you’re just starting your Linux journey or looking to sharpen your networking skills, this tutorial will walk you through the basics of nslookup step-by-step.
*🎓 GET Linux Certified*
Linux Essentials (010-160) is the entry point to a Linux career!
My complete course walks through the exam objectives the command
line, manipulating data, Linux internals, and resource management.
▸ 28 lessons across 7 chapters
▸ $40, lifetime access
▸ Preps you for the exam
learnlinux.link/lpi-course
*🐧 Save up to 30% on Linux Foundation Certifications*
Whether you're starting a Linux career or advancing your existing skills, Linux Foundation training can help you stand out in a competitive industry. Check out the available courses and certifications, and save!
learnlinux.link/get-certified
*🐧 Get a "Linux Tips" Newsletter*
Packed with expert tips and strategies, for both desktop and server users. Get yours here:
- Subscribe here ➜ learnlinux.link/linux-tips
*📚 Discounts, Courses, Books, and More! (Support Linux Learning)*
- 10% Off Linux Swag! ➜ learnlinux.link/swag
- Get the "Linux Pro-Tips" Newsletter ➜ learnlinux.link/linux-tips
- Grab Jay's *ACTUAL* Dotfiles! ➜ learnlinux.link/linux-tips
- Switching to Linux Book (15% Off!) ➜ learnlinux.link/switch-to-linux
- Linode Starter Credit ➜ learnlinux.link/linode
- eBook Bundle ➜ learnlinux.link/ebook-bundle
- Ansible Course ➜ learnlinux.link/ansible
- Linux Essentials Course ➜ learnlinux.link/linux-essentials
- Paid Assistance ➜ learnlinux.tv/request-assistance
*❤️ Support the Channel*
- Enjoyed the video? Your support keeps this channel independent!
- Become a Channel Member (Ad-Free & Early Access) ➜ learnlinux.link/join
- Support on Patreon ➜ learnlinux.link/patron
━━━━━━━━━━━━━━━━━━━━━━
🕐 Time Codes
00:00 - Intro
01:05 - Important info regarding the nslookup command
02:43 - Installing nslookup
03:28 - Basic usage of the nslookup command
04:09 - Subdomain
04:57 - Shop
05:49 - Querying MX records with nslookup
06:48 - Querying TXT records with nslookup
07:44 - Querying Nameserver (NS) records with nslookup
08:24 - Using a different nameserver for your queries
10:20 - Performing a response test with time and nslookup
*📘 FAQ*
- What is a "Distribution" of Linux? ➜ linux.video/what-is-a-distro
- What is a "Desktop Environment"? ➜ linux.video/desktop-environment
- Which Server Distro should I use? ➜ linux.video/which-server-distro
- How do I create USB install media? ➜ linux.video/install-media
- How do I connect to a server via SSH? ➜ linux.video/use-ssh
- How do I use apt? ➜ linux.video/apt
- How do I use dnf? ➜ linux.video/dnf
- How do I install Arch Linux? ➜ linux.video/install-arch
- How do I configure SSH? linux.video/ssh-server
- How do I install updates? ➜ linux.video/updates
- How do I secure my Linux Server? ➜ linux.video/every-server
*🎓 Learn Linux TV*
Your source for Linux-related Fun and Learning!
- Official website: learnlinux.tv
- Community Forums: community.learnlinux.tv
- Official Subreddit: learnlinux.link/reddit
- Facebook Community: learnlinux.link/facebook-group
- More about Jay: learnlinux.link/jay
*🤝 Affiliate and Content Ethics*
Some links in this description are affiliate links. If you purchase through them, Learn Linux TV may earn a commission at no additional cost to you. This helps keep the content flowing.
- learnlinux.tv/content-ethics
*⚠️ Use Content Responsibly*
Learn Linux TV shares technical content intended to teach and help you, but it comes with no warranty. The channel is not liable for damages resulting from its use. Always ensure you have proper permission, follow organizational policies, protect important data, and comply with applicable laws.
#CloudComputing #DevOps #Linux
