User-agent: rogerbot
Disallow: /
User-agent: SemrushBot
Disallow: /
User-agent: dotbot
Disallow: /
User-agent: AhrefsBot
Disallow: /
User-agent: Alexibot
Disallow: /
User-agent: MJ12bot
Disallow: /
User-agent: MIIxpc
Disallow: /
User-agent: POE-Component-Client-HTTP
Disallow: /
User-agent: InfoTekies
Disallow: /
User-agent: Ripper
Disallow: /
User-agent: WebmasterWorldForumBot
Disallow: /