You can use this tool to check to see if Google has banned a domain from showing up in it's search engine results for searches. PR Rank check

• Ezilon Toolbar 2.4
  Some of the standard features include: a pop up blocker, ability to search the world using Ezilon, major search engines search, Alexa Ranking and Google PR check, Wayback machine...

• M6.Net PR Quick Check 1.00
  The M6

• Blog Rank finder 1.0
  Discover how to find blogs with high PR With Blog Rank finder. Blog Finder Software will boost your link building SEO efforts! This hot PR blog finder software will help increase your link building SEO efforts instantly! This Amazing software...

• XPELO® Banned Link Security Scan 1.0
  XPELO® is the only SEO software program in the world that can process & validate your website for banned links to protect your search rankings instantly without ever using a manual link check ever again! Flexible link search lets you check an entire website, a single page of links, or any domain quickly and easily for banned links

• PR Prowler 3.0
  The PR Prowler is an SEO tool that does your link finding for you. It prowls the internet to find relevant web pages with high Google Page Rank just waiting to link to you. But it doesn't stop there...it also sends a customized email to those potential link partners for you. It analyzes each result also by displaying the # of backlinks, outbound...

• Bookmarking Demon 4.0 Social Bookmarking 2008
  Bookmarking Demon 4

• Desktop Google Page Rank Monitor 1.0
  Easy-to-use software product for storing web sites and monitoring their Google PR values