User-agent: Baiduspider 
Allow: / 

User-agent: Googlebot 
Allow: / 

User-agent: Bingbot 
Allow: / 

User-agent: GPTBot 
Disallow: / 

User-agent: VelenPublicWebCrawler 
Disallow: / 

User-agent: Amazonbot 
Disallow: / 

User-agent: * 
Disallow: /