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.

19 hosts · 266 ms

HostCertsFirst seenLast seenDNS
ca-valdefrance.fr 5 2026-02-23 2026-05-31 ok
psd2-api.ca-valdefrance.fr 3 2025-10-06 2026-09-24 ok
evenementiel.ca-valdefrance.fr 1 2026-06-02 2026-06-02 ok
pp2.evenementiel.ca-valdefrance.fr 1 2026-03-11 2026-03-11 ok
pp3.evenementiel.ca-valdefrance.fr 1 2026-04-20 2026-04-20 ok
pp2.parlons-en.ca-valdefrance.fr 1 2026-03-11 2026-03-11 ok
commhebdo.ca-valdefrance.fr 1 2025-11-19 2025-11-19 ok
pp2.commhebdo.ca-valdefrance.fr 1 2025-12-03 2025-12-03 ok
www.commhebdo.ca-valdefrance.fr 1 2025-11-19 2025-11-19 ok
jaime-mon-asso.ca-valdefrance.fr 1 2026-03-17 2026-03-17 ok
pp2.jaime-mon-asso.ca-valdefrance.fr 1 2025-11-17 2025-11-17 ok
www-pp.jaime-mon-asso.ca-valdefrance.fr 1 2026-05-20 2026-05-20 ok
www.jaime-mon-asso.ca-valdefrance.fr 1 2026-03-17 2026-03-17 ok
entreprises.ca-valdefrance.fr 2 2025-08-01 2026-07-06 ok
tousambassadeurs.ca-valdefrance.fr 1 2026-08-26 2026-08-26 nxdomain
administrateurs.ca-valdefrance.fr 1 2025-08-27 2025-08-27 nxdomain
infoclient.ca-valdefrance.fr 1 2026-05-26 2026-05-26 ok
hom-infoclient.ca-valdefrance.fr 1 2026-05-26 2026-05-26 ok
www.ca-valdefrance.fr 1 2026-02-23 2026-02-23 ok

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