User-agent: *
Disallow: 

User-agent: AhrefsBot
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: rogerbot
Disallow: /

User-agent: DotBot
Disallow: /

User-agent: ia_archiver
Disallow: /

User-agent: SemrushBot
Disallow: /

User-agent: Exabot
Disallow: /

User-agent: serpstatbot
Disallow: /