Understanding the TLD Landscape: 1,511 TLDs, 3.18 Billion Hostnames, and What the Data Actually Shows
We analyzed 3.18 billion observed hostnames across 1,511 active TLDs to map the real state of the Internet's namespace — concentration risk, ccTLD divergence, new gTLD adoption, and how much of it actually resolves. Refreshed June 2026 with first-party DNS resolution data.