User-Agent: Yandex
Disallow: /bitrix/
Disallow: /presentation/
Disallow: /stat/
Disallow: /auth/
Disallow: /search/
Disallow: /communication/
Host: www.11000.ru 

User-agent: *
Disallow: /bitrix/
Disallow: /stat/
Disallow: /auth/
Disallow: /search/
Disallow: /communication/