Top-Level Domain
.io
Aggregated statistics for the top-level domain
Apex domains
712,404
we've enumerated
Subdomains seen
9,979,699
CT + DNS + brute
TLS certs
86,088
naming .io
Hosting ASNs
15
distinct origins
Detailed Statistics
Registration time-series pending
Year-over-year growth, expiry waves, parked-domain ratio, average cert age.