User-Agent: Yandex
Disallow: /check_index_/
Disallow: /dr_se_2007/
Disallow: /pke/
Host: www.seoker.ru

User-agent: * 
Disallow: /check_index_/
Disallow: /dr_se_2007/
Disallow: /pke/
Host: www.seoker.ru