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RDAP: Domain Naming Guides

Blog posts about rdap, from the DNS Lister blog.

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Tag: RDAP · All posts

The TLDs We Still Can't Check With RDAP (and How You Can Help)

RDAP is the modern replacement for WHOIS, but IANA's official list still has no RDAP server for .de, .it, .jp, .eu, .io and dozens more. Here's the list, how we work around it, and how to tell us about an endpoint we've missed.

published 2026-10-23

Basics Developer Domains RDAP TLD

DNS vs. RDAP for Domain Availability Checks

A fast DNS lookup can say a domain is free when it isn't. Learn when to trust DNS, when to confirm with RDAP, and what a disagreement between the two means.

updated 2026-10-11

Tutorials Availability DNS Planning RDAP