whois https://erfolgs-hoch.de/finance/sjxerxekke/

Domain:
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Try for webbased whois (don't expect it to work yet)

https://erfolgs-hoch.de/finance/sjxerxekke/
checking....https://erfolgs-hoch.de/finance/sjxerxekke/
   $ whois https://erfolgs-hoch.de/finance/sjxerxekke/
No whois server is known for this kind of object.