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 · 227 ms

HostCertsFirst seenLast seenDNS
ca-reunion.fr 5 2025-11-10 2026-05-31 ok
www.ediweb.ca-reunion.fr 2 2025-08-28 2026-08-11 ok
pp.cakoze.ca-reunion.fr 1 2025-11-20 2025-11-20 ok
www.cakoze.ca-reunion.fr 1 2025-11-20 2025-11-20 ok
psd2-api.ca-reunion.fr 3 2025-09-22 2026-08-31 ok
entreprises.ca-reunion.fr 2 2025-09-15 2026-09-07 ok
administrateurs.ca-reunion.fr 1 2025-08-28 2025-08-28 ok
infoclient.ca-reunion.fr 1 2026-05-11 2026-05-11 ok
hom-infoclient.ca-reunion.fr 1 2026-05-11 2026-05-11 ok
recrutement.ca-reunion.fr 11 2026-04-29 2026-09-24 ok
www.ca-reunion.fr 2 2025-11-10 2025-11-19 ok

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