A Forum is only place at where you can get information from genuine people, and you can share your knowledge and gives answer to other people’s question also.
With these answer of questions you can put URL of your Blog and got the links same as blog commenting. If you will gives genuine answers then people will be interested to visit your webpage and you can increase your site’s traffic and make more viral your website.
In this method your profile noticed by the “Signature”. Mostly forums have this feature. Once you prove that you are genuine and reputable contributor to the forum later then you can create a signature with a link back to your website.
In below list you found all of the Forum Posting Sites with Good DA.
http://www.canadabodybuilding.com
http://www.webmasterforums.com/forum.php
http://forums.delphiforums.com
https://forums.digitalpoint.com/
https://www.webmasterworld.com
http://www.simplemachines.org/community/index.php
http://www.namepros.com/index.php
https://www.cre8asiteforums.com/forums
http://forum.submitexpress.com/
https://www.acorndomains.co.uk/
http://www.forums.onlinebookclub.org
http://www.irishwebmasterforum.com/
http://www.paymentprocessing.cc/
http://www.affiliateseeking.com/forums/
http://www.siteownersforums.com/index.php
http://www.seorefugee.com/forums/forum.php
http://www.webmaster-forums.net
https://www.smallbusinessforums.org/
http://www.geekvillage.com/forums/
http://www.chronicle.com/forums/
http://www.ckeditor.com/forums
https://forum.filezilla-project.org/
http://www.ewebdiscussion.com/
https://www.phpbb.com/community/
https://forum.statcounter.com/
http://www.000webhost.com/forum/
https://www.wrensoft.com/forum/
https://forum.wordreference.com/
http://galleryproject.org/forum
http://forums.mozillazine.org/
http://arch.designcommunity.com/
http://www.alice.org/community/
http://www.webhostingtalk.com/
https://discourse.omnigroup.com
http://forums.foxitsoftware.com/
http://forum.notebookreview.com/
https://www.techsupportforum.com
http://flagcounter.boardhost.com/
https://freewebsitetemplates.com/forums/
http://www.madeinchinatalk.com
http://www.chinalanguage.com/forums/
https://www.eubusiness.com/discussion
http://www.city-data.com/forum/
http://smallbusinessbrief.com/forum/
https://forums.mydigitallife.net/
http://www.countycricketclubs.co.uk/
http://www.highrankings.com/forum/
https://slickdeals.net/forums/
https://www.resource-zone.com/forum
https://www.cre8asiteforums.com/
http://www.aardvarksport.net/chat/
https://www.redandwhitekop.com/forum/
https://www.houzz.com/discussions/
https://www.softcatala.org/forum/
http://flashpanoramas.com/forum/
http://opensourcephoto.net/forum/
http://www.irishwebmasterforum.com/
http://www.visordown.com/forum/
http://www.thebeijinger.com/forum
http://www.dslreports.com/forums/all
http://discussion.femalefirst.co.uk/
https://www.phpbbguru.net/community/
https://www.cmsimple.org/forum/
https://www.gamespot.com/forums/
http://www.game-warden.com/forum/
http://onlinerealestateforum.com/forums
TREASURE FOR OFFPAGE SEO 