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.

14 hosts · 471 ms

HostCertsFirst seenLast seenDNS
ca-lorraine.fr 2 2026-05-24 2026-05-25 ok
etresocietaire.ca-lorraine.fr 2 2025-09-30 2026-09-08 ok
psd2-api.ca-lorraine.fr 2 2025-10-06 2026-09-08 ok
www.fondation.ca-lorraine.fr 1 2026-01-06 2026-01-06 ok
jaimemonasso.ca-lorraine.fr 1 2026-01-06 2026-01-06 ok
entreprises.ca-lorraine.fr 2 2025-08-01 2026-07-06 ok
administrateurs.ca-lorraine.fr 1 2025-08-28 2025-08-28 ok
infoclient.ca-lorraine.fr 2 2025-08-11 2026-07-31 ok
hom-infoclient.ca-lorraine.fr 3 2025-08-12 2026-08-06 ok
recrutement.ca-lorraine.fr 10 2026-04-29 2026-09-24 ok
transfert.ca-lorraine.fr 1 2026-01-06 2026-01-06 ok
www.ca-lorraine.fr 1 2026-04-24 2026-04-24 ok
cabuzz.ca-lorraine.fr 2 2025-09-29 2026-09-08 ok
pp.cabuzz.ca-lorraine.fr 2 2025-09-29 2026-09-08 ok

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