#robots.txt
User-agent: AhrefsBot
Disallow: /
User-agent: DotBot
Disallow: /
User-agent: BLEXBot
Disallow: /
User-agent: SemrushBot
Disallow: /
User-agent: MJ12bot
Disallow: /
User-agent: DataForSeoBot
Disallow: /
User-agent: MegaIndex.ru
Disallow: /