User-agent: *
Disallow: /i?
Disallow: /freeporn/
Crawl-delay: 2
User-agent: AhrefsBot
Disallow: /
User-agent: msnbot
Crawl-delay: 60

User-agent: bingbot
Crawl-delay: 60

User-agent: Yandex
Crawl-delay: 60