Do Follow is an internet term which is applied to pages on the web that are using the do-follow attribute, as opposed to the no-follow. No-follow means that a search engine such as Google will not pass on the benefits of a certain type of hyperlink. Thus if you are seeking backlinks to your own website, your best bet is to go for Do-Follow links. This way you get full benefit from the link with your own keywords in the link text.
All backlinks are Do-Follow.
All domains page rank 1-8 No PR 0
You can change your URL and Keywords any time.
You can use any number of URLs with unlimited Keywords.