Use Search Engine Operator

Just play around with some specific phrases on Google and you�ll find relevant Edu and Gov websites to comment and leave your links on.

These are the Search Engine Operators..

keyword inurl:*.edu -�comments are closed� �add a comment�

keyword inurl:forum.edu -�comments are closed� �add comment�

keyword inurl:forum.gov -�comments are closed� �add a comment�

keyword inurl:blog.gov -�comments are closed� �add a comment� 

Check this also.. [Click to enlarge]