A registrar’s TLD lineup looks like pure optionality: stock more extensions, capture more registrations, collect more margin on the ones that move. The data Spamhaus publishes twice a year says the optionality has a hidden price, and that price is concentrated in exactly the cheap, high-volume new gTLDs that look most attractive on a margin … Continue reading Which Top-Level Domains Are Worth Carrying? The Abuse Data Most Registrars Never Book.