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.

17 hosts · 208 ms

HostCertsFirst seenLast seen
ochutnejorech.cz 21 2026-04-25 2026-10-01
*.ochutnejorech.cz 16 2026-04-27 2026-10-01
staging2.ochutnejorech.cz 1 2026-04-20 2026-04-20
a8k9p2.ochutnejorech.cz 1 2026-09-10 2026-09-10
staging.ochutnejorech.cz 5 2026-04-24 2026-08-29
api-staging.ochutnejorech.cz 5 2026-04-22 2026-08-20
cdn-staging.ochutnejorech.cz 7 2026-06-11 2026-10-07
admin-staging.ochutnejorech.cz 5 2026-04-25 2026-08-28
api-admin-staging.ochutnejorech.cz 5 2026-04-22 2026-08-20
sznauth.ochutnejorech.cz 5 2026-05-29 2026-09-26
api.ochutnejorech.cz 5 2026-04-22 2026-08-20
sm.ochutnejorech.cz 3 2026-05-10 2026-08-26
cdn.ochutnejorech.cz 10 2026-06-11 2026-10-08
admin.ochutnejorech.cz 4 2026-04-21 2026-08-24
api-admin.ochutnejorech.cz 5 2026-04-22 2026-08-20
partner.ochutnejorech.cz 7 2026-04-18 2026-09-29
www.ochutnejorech.cz 5 2026-04-24 2026-08-28

Programmatic access: API GET /v1/hosts/ochutnejorech.cz (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/ochutnejorech.cz.