Example http://www.google.com/search?q=توبيكات The first site that ranks is xn--mgbbfc7j2ap.com/ How is توبيكات converted to xn--mgbbfc7j2ap ? Is there some converter ? What about other languages for example russian?
Internation Domain Names (IDN). It automatically gets converted. For Swedish websites too. åäö are characters that servers don't handle. vad-är.nu = http://xn--vad-r-jra.nu/