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.

4 hosts · 192 ms

HostCertsFirst seenLast seen
kaufland-marketplace.fr 3 2026-05-01 2026-08-20
email.kaufland-marketplace.fr 5 2026-05-24 2026-09-24
mta-sts.kaufland-marketplace.fr 5 2026-05-26 2026-09-21
www.kaufland-marketplace.fr 3 2026-04-29 2026-08-22

Programmatic access: API GET /v1/hosts/kaufland-marketplace.fr (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/kaufland-marketplace.fr.