whois www.xing.com/profile/chris_jack098744
Domain:
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Try for webbased whois (don't expect it to work yet)
www.xing.com/profile/chris_jack098744
checking....www.xing.com/profile/chris_jack098744
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whois
www.xing.com/profile/chris_jack098744
No whois server is known for this kind of object.