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 · 157 ms

HostCertsFirst seenLast seen
cloud.contactclient-edf.fr 3 2025-06-19 2026-06-06
image.contactclient-edf.fr 5 2026-04-13 2026-09-28
click.contactclient-edf.fr 3 2025-06-19 2026-06-06
pages.contactclient-edf.fr 2 2026-08-24 2026-08-24
view.contactclient-edf.fr 2 2025-06-20 2026-06-07

Programmatic access: API GET /v1/hosts/contactclient-edf.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/contactclient-edf.fr.