Ultra Fast Whois is one of the fastest whois lookups around. Just enter the domain name, select the TLD, and press Perform. This is the quickest way to check if a domain is available, who the owner of a domain is, when an owned domain will expire and even the contact information of the owner.

• PageRank / Backlink Check
  Get Google Pagerank, backlinks from Google / Yahoo / MSN, and much more on one or more URL's
• PageRank Checker
  Check the PageRank of a URL at all the Google Data Centers. This is a great way to see if a PageRank update is in process.
• Reflection
  See what you look like to the websites that you visit