Here are some services I use with my domain:-

• Blogger
• Blog 
• Chi.mp
• Content hub
• Google Apps
• E-mail
• Jabber
• Docs
• Calendar
  
• Pages 
• Sites
  
• Google AppEngine
• URL Shortener
• MyOpenID
• OpenID (provider)
• Own-ID
• OpenID (referral)
• SixXS
•  IPv6 tunnel broker
  
• Thawte
• X.509 Certificates 
• Tumblr
• Blog 
• Verisign Labs Personal Identity Provider
• OpenID (provider)

Here is a list of URLs supported on my domain:-

• blog.chaz6.com
• calendar.chaz6.com
• chimp.chaz6.com
• docs.chaz6.com
  
• go.chaz6.com 
• id.chaz6.com
• mail.chaz6.com
• mirror.ipv6.chaz6.com [IPv6 only]
  
• pages.chaz6.com
• sites.chaz6.com
  
• start.chaz6.com 
• tumblr.chaz6.com 
• www.chaz6.com