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DNS

Explore how DNS works, from domain lookups and records to troubleshooting real-world networking problems. Learn the system that connects names on the internet to the services behind them.

DNS Articles

2 articles

DNS Records Explained: A, AAAA, CNAME, MX, TXT and More

DNS Networking Infrastructure DevOps Cloud

DNS records are the building blocks that tell the internet how to route traffic, deliver email, and verify services. Learn how A, AAAA, CNAME, MX, TXT, NS, and other DNS records work with practical examples.

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15 Jul 2026 5 min read

How DNS Actually Works

DNS Networking Infrastructure DevOps

A practical introduction to DNS, explaining how domain lookups work, how DNS servers communicate, and why understanding DNS is essential for DevOps and infrastructure work.

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12 Jul 2026 4 min read