User-agent: SemrushBot
Disallow: /
User-agent: SemrushBot-SA
Disallow: /
User-agent: TwengaBot-2.0
Disallow: /
User-agent: Yandex
Disallow: /
user-agent: AhrefsBot
disallow: /
User-agent: Baiduspider
Disallow: /
User-agent: publiclibraryarchive.org
Disallow: /
User-agent: publiclibraryarchive.org/1.0
Disallow: /
User-agent: Baidu Spider
Disallow: /
User-agent: MJ12bot
Disallow: /
User-agent: Yandex Robot
Disallow: /
User-agent: spbot
Disallow: /
User-agent: LinkpadBot/1.06
Disallow: /
User-agent: dotbot
Disallow: /
User-agent: *