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.

11 hosts · 401 ms

HostCertsFirst seenLast seenDNS
ca-finistere.fr 4 2025-11-10 2026-05-24 ok
parrainage.ca-finistere.fr 5 2026-06-03 2026-10-01 ok
psd2-api.ca-finistere.fr 2 2025-10-06 2026-09-08 ok
hom.ca-finistere.fr 1 2026-01-12 2026-01-12 ok
cap.ca-finistere.fr 1 2026-06-08 2026-06-08 ok
entreprises.ca-finistere.fr 1 2026-05-26 2026-05-26 ok
administrateurs.ca-finistere.fr 2 2025-08-28 2026-08-11 ok
infoclient.ca-finistere.fr 3 2025-07-15 2026-07-06 ok
hom-infoclient.ca-finistere.fr 2 2025-08-12 2026-07-31 ok
recrutement.ca-finistere.fr 10 2026-04-29 2026-09-24 ok
www.ca-finistere.fr 2 2025-11-10 2025-11-19 ok

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