Sent mail to owners but to this moment they haven't replied:

   http://drakevr.gr/atom.xml
   https://kolab.org/blog/70/feed (awaiting moderator approval)
   http://blog.karlitschek.de/feeds/posts/default (mail rejected)

Sites that are totally down/ no way to trace their owners:

   http://fropensuse.blogspot.fr/
   http://wire.dattitu.de/rss.php?category=4
   http://www.coolice.org/blog/?feed=rss2
   http://lilypond.org/blog/janneke/rss/?css=0
   http://spotlight.opensuse.org/feed/
   http://www.bryen.com/?feed=rss2
   http://holger123.wordpress.com/feed/atom/
   http://linux301.wordpress.com/feed/
   http://www.phocean.net/category/administration-systeme/linux/opensuse-linux-administration-systeme/feed
   http://www.alexertech.com/feed/
   http://feeds.feedburner.com/binaridev
   http://blog.marcolino.com.br/wordpress/tags/opensuse/feed/
   http://blog.zaq.ne.jp/opensuse/rss/
   http://index01d.com/atom.xml
   http://malayin.net/feed/atom/
   http://fisiu.fidano.pl/feed/atom/
   http://webeve.de/~cwh/blog/category/opensuse/feed/
   http://nbprashanth.wordpress.com/feed/
   https://hillwoodhome.info/feed/

Sites that are up but we can't find owners:

   http://duncan.mac-vicar.com/tag/suse/feed/
   http://www.decriptor.com/feed/
   http://andrew.jorgensenfamily.us/category/opensuse/feed/
   http://woelfisch.livejournal.com/data/atom?tag=planetsuse

Notes:

   http://www.edivaldobrito.com.br/category/opensuse/feed/ Seems OK
   http://www.opensuse-education.org/rss-news.ph is our project so we should contact their developers