36. How to use nslookup command for query dns | Linux crash course
Learn how to use the nslookup command in Linux to troubleshoot DNS issues and query domain name servers. In this tutorial, we explain how nslookup works, how to resolve domain names to IP addresses, and how to perform DNS diagnostics directly from the Linux terminal.
The nslookup tool (Name Server Lookup) is one of the most important networking utilities used by system administrators, DevOps engineers, and network engineers to verify DNS records and troubleshoot connectivity problems. With nslookup, you can quickly check A records, MX records, NS records, and other DNS information.
This tutorial is perfect for:
• Linux beginners
• DevOps engineers
• Network engineers
• System administrators
• Students preparing for LPIC, CCNA, or Linux certifications
Mastering nslookup in Linux will help you diagnose DNS issues faster and better understand how domain name resolution works on the internet.
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