DoFollowBlogs.com is a DoFollow Blog Directory. If your blog is one of those DoFollow blog which mean you have remove “nofollow” attribute in comment section and encourage readers to leave more comments on your blog to create more backlinks to their blog. DoFollow blog usually have a lot of loyal return readers who want to leave more comments. One of the disadvantage is a DoFollow blog is, you will need to filter spam site carefully. If you randomly approved the comments from spam site, you are likely to create more negative impact on your blog in the future.
However, if your blog is not a DoFollow blog, you can search any of that in DoFollow Blog Directory. This kind of blog directory works like other directory submission. All of the blog will be categorized by different categories such as Blogging Resources, Games, Shopping, Health, Business, Sports and so on. But you have to make sure the blogs in this directory are DoFollow blog. Not all of them are DoFollow even they submit to DoFollow blog directory.

To check for whether a blog has DoFollow comment, Right click any of the commentator’s name and select Properties. You will see a screen like below if you are using Firefox browser.

You will see the Relation is “external” without nofollow attribute. By default, it will be “external nofollow” in comment links. External here mean it will open new window or new tab. NoFollow mean it tell the search engine not to crawl this URL. So, here it mean this blog is a DoFollow blog. When you leave comment on this blog, you will have one backlink to your blog.
Conclusion
Leave more comments on DoFollow blog will create more benefit to your blog but how long time the owner will DoFollow is another question. If they are going to leave it a long time that is good. Otherwise, be prepare to see the traffic or PageRank drop when they shutdown the Dofollow service if you have leave many comments on their blog.

{ 2 comments… read them below or add one }
The admin should delete those nofollow blogs in the directory. No need for us to track it one by one.
Yeah. The concern is how long they will put DoFollow in their blog only