TLDs, The Most Abused →
via CircleID, comes a particularly relevant discussion regarding the most abused TLDs (as researched by the Spamhaus Project) on our interwebs. Additionally, read the eponymous Brian Krebs' latest take on the subject, you'll be glad you did.
"Spamhaus which has been tracking spam and related cyber threats since 1998, says some domain name registrars and resellers knowingly sell high volumes of domains to bad actors for profit, and many registries do not do enough to stop or limit this endless supply of domains." - via CircleID