whois linksjump.info/post-sitemap3.xml
Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
linksjump.info/post-sitemap3.xml
checking....linksjump.info/post-sitemap3.xml
$
whois
linksjump.info/post-sitemap3.xml
No whois server is known for this kind of object.