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Privacy

Why I Built DomainDetails

The story behind building a privacy-first domain intelligence platform and what I learned along the way.

Julian Engel
Julian Engel

Founder at DomainDetails

5 min readFebruary 15, 2026

The Problem I Wanted to Solve

When I first started exploring the domain industry, I was struck by how fragmented the tooling landscape was. To get a complete picture of a domain, you'd need to visit multiple websites, each with their own quirks, paywalls, and privacy concerns.

WHOIS lookups would expose your search history. DNS tools were either too technical or too basic. And domain monitoring? That was locked behind expensive enterprise solutions.

I knew there had to be a better way.

Privacy as a Foundation

From day one, DomainDetails was built with privacy at its core. Your domain searches stay on your device using IndexedDB. There's no tracking of what domains you look up. No selling of search data to domain investors or brokers.

This wasn't just an ethical choice - it was a technical one. By storing data locally first and syncing only when users explicitly choose to, we built a faster, more responsive experience that works offline too.

The Technical Journey

Building DomainDetails taught me an incredible amount about the domain ecosystem:

  • RDAP vs WHOIS: The transition from the legacy WHOIS protocol to RDAP (Registration Data Access Protocol) is happening right now. RDAP provides structured JSON data instead of free-form text, making it far easier to build reliable tools.

  • DNS at Scale: Querying DNS records across thousands of TLDs revealed fascinating patterns in how the internet is organized. Each registry has its own quirks and response formats.

  • The Domain Lifecycle: Understanding EPP status codes, grace periods, redemption phases, and the intricate dance between registries, registrars, and domain holders was eye-opening.

What I Learned About the Industry

The domain industry is both smaller and larger than you'd expect. There's a tight-knit community of investors, registrars, and tool builders who've been in the space for decades. At the same time, millions of people interact with domains every day without knowing much about how they work.

This gap between industry insiders and everyday users is exactly what DomainDetails Academy aims to bridge. We want to make domain knowledge accessible to everyone, not just those who've been in the trenches for years.

What's Next

DomainDetails continues to evolve. We're working on better monitoring tools, deeper analytics, and more educational content. The Guest Posts section you're reading right now is part of that mission - bringing diverse perspectives from across the industry to help everyone make better decisions with their domains.

If you're interested in contributing a guest post, we'd love to hear from you. The domain industry thrives when knowledge is shared openly.

Key Takeaways

  • Domain tools should respect user privacy by default
  • Local-first architecture creates better user experiences
  • The domain industry has a knowledge gap that education can fill
  • Building in public and sharing knowledge benefits the entire community
Julian Engel

About Julian Engel

Julian Engel is the founder of DomainDetails, a privacy-first domain intelligence platform. With a passion for making the domain industry more transparent and accessible, he builds tools that help people understand and manage their digital assets. When not coding, he can be found exploring the latest trends in domain investing and web infrastructure.