DNS Lookup Tool
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What is a DNS Lookup?
A DNS (Domain Name System) lookup is the process of translating a domain name like
example.com into its corresponding IP address, such as
93.184.216.34. It’s how your browser knows where to go when you type in
a website address.
Why Perform a DNS Lookup?
- 🧭 Troubleshooting – Verify domain resolution
- 📧 Email Validation – Check SPF, DKIM, and MX records
- 🌐 Configuration – Ensure NS and CNAME are correct
- 🔍 Security – Detect unexpected DNS changes
How DNS Works (Behind the Scenes)
- Your computer checks its local cache.
- If not found, it queries your DNS resolver (e.g., Google DNS).
- The resolver queries root → TLD → authoritative servers.
- The IP is returned and your browser connects.