User-agent: AhrefsBot
Disallow: /

User-agent: BLEXBot
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: bingbot
Crawl-Delay: 10

User-agent: SemrushBot
Crawl-Delay: 10

User-agent: DotBot
Crawl-Delay: 10