User-agent: noxtrumbot 
Crawl-delay: 30

User-agent: Bingbot
Allow: /
Disallow: /admin/
Disallow: /__old/
Disallow: /gen/
Disallow: /cache1/

User-agent: Googlebot
Allow: /
Disallow: /admin/
Disallow: /__old/
Disallow: /gen/
Disallow: /cache1/

User-agent: googlebot-image
Allow: /
Disallow: /admin/
Disallow: /__old/
Disallow: /gen/

User-agent: googlebot-mobile
Allow: /
Disallow: /admin/
Disallow: /__old/
Disallow: /gen/

User-agent: MSNBot
Allow: /
Disallow: /admin/
Disallow: /__old/
Disallow: /gen/

User-agent: *
Disallow: /
Disallow: /admin/
Disallow: /__old/
Disallow: /gen/