Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

3 hosts · 242 ms

HostCertsFirst seenLast seen
satoricapital.com 20 2026-04-14 2026-10-08
*.satoricapital.com 11 2026-04-14 2026-10-08
www.satoricapital.com 10 2026-06-05 2026-10-01

Programmatic access: API GET /v1/hosts/satoricapital.com (API key for paging).

Shown here: hostnames with a certificate that is valid now or expired within the last 90 days. The full history since 2013 — hostnames whose last certificate expired earlier — is a Pro plan method: GET /v1/hosts-history/satoricapital.com.