User-agent: *
Crawl-delay: 30
User-agent: Mediapartners-Google 
User-agent: SemrushBot
User-agent: SemrushBot-SA
User-agent: YandexBot
User-agent: MJ12bot
User-agent: AhrefsBot
User-agent: bingbot
User-agent: BLEXBot
User-agent: DotBot
User-agent: UptimeRobot
Disallow: /