whois http://xn--wlslt-rrab1m.com

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

http://xn--wlslt-rrab1m.com

checking....http://xn--wlslt-rrab1m.com
$ whois http://xn--wlslt-rrab1m.com
No whois server is known for this kind of object.