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.

5 hosts · 233 ms

HostCertsFirst seenLast seen
beauty.gmo 1 2026-05-27 2026-05-27
*.beauty.gmo 1 2026-05-27 2026-05-27
niwa.beauty.gmo 11 2026-06-15 2026-08-27
it.niwa.beauty.gmo 7 2026-06-15 2026-08-24
dental.beauty.gmo 1 2026-06-03 2026-06-03

Programmatic access: API GET /v1/hosts/beauty.gmo (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/beauty.gmo.