WHOIS is a widely used protocol for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system.

WHOIS information has been vastly limited by GDPR, which requires the redaction of the most valuable information.
RDAP is replacing the current WHOIS protocol.

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Please use our lookup-service and follow the instructions there in order to get that resolved.