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 · 211 ms

HostCertsFirst seenLast seen
sma.gob.cl 1 2025-09-01 2025-09-01
*.sma.gob.cl 3 2025-09-01 2026-09-14
conexiones.sma.gob.cl 4 2026-02-18 2026-10-03

Programmatic access: API GET /v1/hosts/sma.gob.cl (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/sma.gob.cl.