DOFOLLOW BACKLINKS: BLOG COMMENTS ON .EDU OR .GOV OR BOTH SITES

I want 100 approved backlinks from .edu or .gov or both sites. 1. 100 approved backlinks from 100 blog comments on 100 different domains 2. Domains should be .edu, .gov or any combination of both 3. Domain Page Rank should be at least 2 or more 4. Comment should be constructive and relate to the blog posts. 5. unrelated/auto-comments software/robots will not be accepted even if it is auto-approved since such comment will soon be deleted upon detection. 6. My URL is [login to view URL] 7. My keyword/name for the comment is: Registry cleaner 8. All links should be DOFFOLLW