A domain must not contain any special character.
If your result seems not to be expected you can try it with 1.net.ru as domain.
If you want to refer to this result, you can use this link: http://www.domaininformation.de/whois/%241.net.ru
% By submitting a query to RIPN's Whois Service % you agree to abide by the following terms of use: % http://www.ripn.net/about/servpol.html#3.2 (in Russian) % http://www.ripn.net/about/en/servpol.html#3.2 (in English). No entries found for the selected source(s). Last updated on 2011.10.27 13:46:36 MSK/MSDWhois Server: whois.ripn.net