whois www.buehnehollenthon.at/guestbook2/
Domain:
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Try for webbased whois (don't expect it to work yet)
www.buehnehollenthon.at/guestbook2/
checking....www.buehnehollenthon.at/guestbook2/
$
whois
www.buehnehollenthon.at/guestbook2/
No whois server is known for this kind of object.