Top-Level Domain
.io
Aggregated statistics for the top-level domain
Apex domains
714,727
we've enumerated
Subdomains seen
10,030,404
CT + DNS + brute
TLS certs
86,441
naming .io
Hosting ASNs
15
distinct origins
Tech-Stack Distribution
No Wappalyzer detections yet
Body-fetcher hasn't covered enough .io sites yet for stack patterns to emerge.