# Alexa
User-agent: ia_archiver
Allow: /default.aspx

# Ask
User-agent: Teoma
Allow: /default.aspx

# Google
User-agent: googlebot
Allow: /default.aspx

# MSN
User-agent: msnbot
Allow: /default.aspx

# Yahoo!
User-agent: Slurp
Allow: /default.aspx

# BDNcentral 
User-agent: BDNcentral
Allow: /default.aspx

# Others
User-agent: *
Disallow: