User-Agent: Microsoft.URL
Disallow: /

User-Agent: sitecheck.internetseer.com
Disallow: /

User-Agent: InternetSeer.com
Disallow: /

User-Agent: Ping
Disallow: /

User-Agent: ia_archiver
Disallow: /

User-Agent: DIIbot
Disallow: /

User-Agent: psbot
Disallow: /

User-Agent: EmailCollector
Disallow: /

User-Agent: NPBot
Disallow: /