whois trello.com/c/kdDIXgNw

Domain:
Turn off cache
Try for webbased whois (don't expect it to work yet)

trello.com/c/kdDIXgNw

checking....trello.com/c/kdDIXgNw
$ whois trello.com/c/kdDIXgNw
No whois server is known for this kind of object.