We need an tool which should do the follow:
testing keywords from an mysql-database with the google adwords keyword tool and take the global and local searches to the keywords in the database. it should be useable on every possible language. for the captcha its possible to use an cheap external service if you know one.
after this the tool should check 2 dns servers of entrys with this keywords as domainname and save the result also in die database.
thats it for the first step. should run on lamp installation and delivered with documented source. best was php/mysql