User-agent: SemrushBot
Disallow: /

User-agent: AhrefsBot
Disallow: /

User-agent: Adsbot
Disallow: /

User-agent: *
Disallow: /d/
Disallow: /e/class/
Disallow: /e/config/
Disallow: /e/data/
Disallow: /e/enews/
Disallow: /e/update/