User-agent: twiceler
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: ia_archiver
Disallow: /

User-agent: exabot
Disallow: /

User-agent: exabot-Images
Disallow: / 

User-agent: search17
Disallow: /

User-agent: MJ12bot
Disallow: /