High quality, By commenting, From any domain you need
There are so many auto backlink building software around the cyber. But non of them is effective and Most of them are spamming around. also many people used to comment on the same site to get backlinks from. But it's not the right thing. Cuz the backlinks comes from the same URL has less value.
So here is a way to use Google to find some High PR, Dofollow and effective sites to comment on. Also you can find .edu or .gov sites too. And much more options you can use just check this tool out.
The tool will redirect you to a Google search result with blogs to comment with the option you have chosen.
then go to results and read the posts well before comment. the articles are related to your keyword, so you'll surely find them interesting. After you have read the article make a approve-able comment (not a spam).
Now you are done with creating your backlink. Just wait the admins to approve your comment.
ExplanationThis tool isn't a essential. It's to help you find blogs with the features easily. The tech inside is Google custom search tags.
See how to use google to find anything here.
hope you will make your website a Page Ranked one in the next PR update.......
tool source : Drop my link