whois malsidn.s3.us-east-2.amazonaws.com/
Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)
malsidn.s3.us-east-2.amazonaws.com/
checking....malsidn.s3.us-east-2.amazonaws.com/
$
whois
malsidn.s3.us-east-2.amazonaws.com/
No whois server is known for this kind of object.