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domain-tools

RDAP vs WHOIS: Key Differences and Why RDAP Is the Future of Domain Data Lookup

RDAP is the modern replacement for WHOIS, offering structured JSON data, HTTPS security, and standardized error responses. This article compares the two protocols and explains why ICANN's mandate makes RDAP essential for domain professionals.

Aug 16, 2026 13 views

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domain-tools

RDAP vs WHOIS: Key Differences and Why It Matters for Domain Lookups

RDAP is the modern, structured replacement for the aging WHOIS protocol, offering standardized JSON data, better security, and support for all internet number resources. Understanding the differences helps you choose the right tool for domain lookups, IP investigations, and compliance tasks.

May 13, 2026 324 views

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guides

How to Find Domain Owner Information (Even with WHOIS Privacy)

WHOIS privacy hides registrant details, but there are legitimate ways to find domain owner information. Learn the best techniques.

Apr 8, 2026 151 views

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domain-tools

How to Check If a Domain Is Expired in 2026

Learn multiple ways to check if any domain name has expired — using WHOIS lookup, RDAP, DNS checks, and dedicated expiry tools.

Apr 1, 2026 274 views