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.

6 hosts · 262 ms

HostCertsFirst seenLast seen
latacora.com 6 2025-11-22 2026-09-20
junco.latacora.com 2 2025-09-07 2026-08-08
atlantis.junco.latacora.com 1 2025-11-20 2025-11-20
reports.junco.latacora.com 2 2025-07-16 2026-06-16
dev.junco.latacora.com 2 2025-09-10 2026-08-11
www.latacora.com 1 2025-11-22 2025-11-22

Programmatic access: API GET /v1/hosts/latacora.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/latacora.com.