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Ubify Core Engineering Team

SOFTWARE ENGINEERS & SYSTEMS ARCHITECTS

~2 min read
~320 words
VERIFIED NOVEMBER 2026
Verified for W3C & ECMA-404 Standard Compliance

About This Tool

WHOIS Domain Lookup retrieves official registry information for any top-level domain name or website hostname. When investigating domain ownership, registrar assignments, DNS delegation status, or expiration timelines, querying the public registration database gives you verified administrative details.

This tool queries the modernized RDAP (Registration Data Access Protocol) directory hosted by rdap.org, which returns structured JSON registry responses covering registered domain entities, nameservers, registrar IDs, and registration event dates.

### A Real Example You want to verify registration information for "example.com". You type "example.com" into the query field and click "WHOIS Lookup". The tool normalizes the domain string, queries the RDAP registry endpoint, and renders a structured dashboard displaying the registrar name, creation date, renewal timestamp, and authoritative nameservers.

### How Your Data Is Processed Querying public registration data requires contacting internet registries. When you submit a domain name, this tool issues a fetch request to the public RDAP service at rdap.org via an ephemeral proxy to bypass cross-origin browser restrictions. Only the target domain hostname is transmitted. No tracking profiles or search histories are retained on Ubify servers.

How to Use

  1. 1

    Enter a domain name (such as example.com or sub.example.org) into the target address field.

  2. 2

    Click "WHOIS Lookup" to send an RDAP registry query.

  3. 3

    Review the parsed domain dashboard showing registrar details, status flags, and key lifecycle dates.

Frequently Asked Questions

What is the difference between WHOIS and RDAP?

RDAP (Registration Data Access Protocol) is the standardized successor to legacy port-43 WHOIS. It delivers machine-readable JSON structures with standardized error handling and internationalized domain support.

Why are personal owner contacts often hidden or redacted?

Under ICANN privacy policies and GDPR data protection regulations, registrars routinely redact personal contact information like registrant names, physical addresses, and personal phone numbers from public RDAP lookups.

Does this tool store the domain queries I submit?

No. Queries pass ephemerally to the public RDAP service to fetch DNS records and are not recorded in any database.

    WHOIS & RDAP Domain Lookup | Ubify Tools