User-agent: *
Crawl-delay: 3
Disallow: /contact
Disallow: /dmca
Disallow: /mp3.php
Disallow: /test

User-agent: Yandex
Crawl-delay: 3
Disallow: /contact
Disallow: /dmca
Disallow: /mp3.php
Disallow: /test

User-agent: MegaIndex
Disallow: /

User-agent: AhrefsBot
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: openstat.ru
Disallow: /