Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

10 hosts · 338 ms

HostCertsFirst seenLast seenDNS
ca-centrefrance.fr 2 2026-05-24 2026-05-24 ok
capulse.ca-centrefrance.fr 1 2026-05-04 2026-05-04 ok
psd2-api.ca-centrefrance.fr 2 2025-10-06 2026-09-08 ok
nehom.ca-centrefrance.fr 2 2026-01-27 2026-01-27 ok
entreprises.ca-centrefrance.fr 1 2026-06-12 2026-06-12 ok
administrateurs.ca-centrefrance.fr 1 2025-09-22 2025-09-22 ok
infoclient.ca-centrefrance.fr 2 2025-08-14 2026-07-31 ok
hom-infoclient.ca-centrefrance.fr 2 2025-08-12 2026-07-31 ok
recrutement.ca-centrefrance.fr 10 2026-04-07 2026-09-24 ok
www.ca-centrefrance.fr 1 2026-06-12 2026-06-12 ok

Programmatic access, with DNS A records: API GET /v1/hosts/ca-centrefrance.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/ca-centrefrance.fr.