THE DNS LOOKUP BLOG

Insights & Updates

Deep dives into DNS protocols, security best practices, and the latest updates from our engineering team.

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Server rack
Feature
calendar_todayOct 24, 20238 min read

Understanding DNS Propagation: Why it takes time

When you update your DNS records, changes don't happen instantly everywhere. Learn about the factors affecting propagation speed, TTL values, and how our tool helps you verify global availability.

Author

Alex Chen

Senior Network Engineer

Security lock
Security
Oct 18, 2023 • 5 min read

Top 5 DNS Misconfigurations

Dangling CNAMEs and exposed zone transfers can leave you vulnerable. Here is how to fix them.

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Analytics dashboard
Product
Oct 10, 2023 • 3 min read

Introducing API v2

Faster response times, bulk lookup endpoints, and improved error handling for developers.

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Global network
Tutorial
Sep 28, 2023 • 6 min read

A vs CNAME Records

What is the difference and when should you use which? A comprehensive guide for beginners.

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Code screen
Engineering
Sep 15, 2023 • 4 min read

Automating DNS Audits

How we built our internal tools to scan millions of domains daily for record health.

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Cloud tech
Industry
Aug 22, 2023 • 7 min read

The Future of DNSSEC

Is it finally time to adopt DNSSEC everywhere? We analyze the pros, cons, and implementation challenges.

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Cybersecurity
Security
Aug 05, 2023 • 4 min read

Preventing Subdomain Takeovers

A guide for sysadmins to identify and clean up unused CNAME records pointing to third-party services.

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