If you want to check whether any of your blog post have both do-follow and no-follow links,here is a quick and easy way to do it.
Get this free Firefox extension called NoDoFollow.
1. Go to NoDoFollow page.
2. Click on "Add to Firefox" button.
3. After finished downloading, click the "Install" button.
4. Then click on the "Restart Now" button.
5. That's all.