FYI...
malicious spam, malicious banners…
- http://www.malwaredomains.com/?p=3375
August 12th, 2013 - "Added 105 domains (malicious spam, malicious banners, other badness). Sources: threattrack.tumblr.com, safebrowsing.clients.google.com, blog.webroot.com, blog.dynamoo.com..."