User-agent: Googlebot
Allow: /

User-agent: Yeti
Allow: /

User-agent: Daum 
Allow: /

User-agent: Bingbot  
Allow: /

User-agent: Slurp   
Allow: /

User-agent: Baiduspider    
Allow: /

User-agent: DuckDuckBot     
Allow: /

User-agent: * 
Disallow: /