whois growstuff.ru/catalog/aero_pot/

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

growstuff.ru/catalog/aero_pot/

checking....growstuff.ru/catalog/aero_pot/
$ whois growstuff.ru/catalog/aero_pot/
No whois server is known for this kind of object.