User-agent: *
Disallow: /

User-agent: Googlebot
Disallow: 
Host: porntuba.ru

User-agent: Yandex
Disallow: 
Host: porntuba.ru
Crawl-delay: 5

User-agent: StackRambler
Disallow: 
Host: porntuba.ru

User-agent: Mail.Ru
Disallow: 

User-agent: Mail.Ru
Disallow: