whois rivne-city.com/ru/chernovtsy

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

rivne-city.com/ru/chernovtsy

checking....rivne-city.com/ru/chernovtsy
$ whois rivne-city.com/ru/chernovtsy
No whois server is known for this kind of object.