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.

7 hosts · 228 ms

HostCertsFirst seenLast seen
cargoz.com 6 2025-08-11 2026-08-03
*.cargoz.com 6 2025-08-11 2026-08-03
staging.cargoz.com 2 2026-03-03 2026-08-03
api.cargoz.com 2 2025-08-11 2026-07-12
demo.cargoz.com 2 2026-03-03 2026-08-03
test.cargoz.com 3 2025-09-07 2026-08-03
www.cargoz.com 6 2025-08-11 2026-08-03

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