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.

9 hosts · 259 ms

HostCertsFirst seenLast seen
inbank.cz 12 2025-07-17 2026-07-27
*.inbank.cz 13 2025-07-17 2026-07-27
staging.inbank.cz 3 2026-04-23 2026-04-23
*.staging.inbank.cz 4 2026-04-23 2026-09-24
go.staging.inbank.cz 1 2026-09-15 2026-09-15
vpn.inbank.cz 2 2026-10-01 2026-10-01
go.inbank.cz 1 2026-09-16 2026-09-16
app.inbank.cz 5 2026-05-04 2026-08-31
shoptet.inbank.cz 4 2026-04-28 2026-07-15

Programmatic access: API GET /v1/hosts/inbank.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/inbank.cz.