User-agent: SERPAnalytics
Disallow: /

User-agent: MLBot
Disallow: / 

# AboutUS
User-agent: AboutUsBot 
Disallow: / 

# DomainTools
User-agent: SurveyBot
Disallow: /

# Internet Archiver Wayback Machine
User-agent: ia_archiver
Disallow: /

# digg mirror
User-agent: duggmirror
Disallow: /