User-agent: Slurp
Crawl-delay: 600 

User-agent: msnbot
Disallow: / 

User-agent: baiduspider
Disallow: / 

User-agent: YodaoBot
Disallow: / 

User-agent: MJ12bot
Disallow: /

User-agent: twiceler
Disallow: /

User-agent: * 
Disallow: