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.

11 hosts · 234 ms

HostCertsFirst seenLast seen
zalando.ch 9 2025-06-30 2026-09-23
xn--enqute-lva.zalando.ch 5 2026-04-18 2026-09-18
domande.zalando.ch 5 2026-04-18 2026-09-18
umfrage.zalando.ch 5 2026-04-18 2026-09-18
corporate.zalando.ch 3 2025-10-28 2026-09-28
enquete.zalando.ch 5 2026-04-18 2026-09-18
exclusive.zalando.ch 11 2025-06-23 2026-09-20
clicks.hello.zalando.ch 1 2025-12-20 2025-12-20
fr.zalando.ch 11 2025-06-23 2026-09-20
it.zalando.ch 11 2025-06-23 2026-09-20
www.zalando.ch 11 2025-06-23 2026-09-20

Programmatic access: API GET /v1/hosts/zalando.ch (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/zalando.ch.