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 · 370 ms

HostCertsFirst seenLast seenDNS
ca-guadeloupe.fr 6 2025-08-01 2026-07-06 ok
psd2-api.ca-guadeloupe.fr 2 2025-10-06 2026-09-08 ok
fondation.ca-guadeloupe.fr 2 2026-04-13 2026-09-13 ok
entreprises.ca-guadeloupe.fr 3 2025-07-09 2026-07-06 ok
administrateurs.ca-guadeloupe.fr 1 2025-08-11 2025-08-11 nodata
infoclient.ca-guadeloupe.fr 1 2026-05-26 2026-05-26 ok
hom-infoclient.ca-guadeloupe.fr 1 2026-05-26 2026-05-26 ok
recrutement.ca-guadeloupe.fr 10 2026-04-29 2026-09-24 ok
larelannou.ca-guadeloupe.fr 1 2026-08-26 2026-08-26 ok
www.ca-guadeloupe.fr 2 2025-08-01 2026-07-06 ok

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