whois clicavisos.com.ar/author/shakepair09/
Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
clicavisos.com.ar/author/shakepair09/
checking....clicavisos.com.ar/author/shakepair09/
$
whois
clicavisos.com.ar/author/shakepair09/
No whois server is known for this kind of object.