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.

17 hosts · 537 ms

HostCertsFirst seenLast seenDNS
ca-briepicardie.fr 4 2025-11-20 2026-05-31 ok
mta.ca-briepicardie.fr 7 2026-04-07 2026-09-22 ok
jaimemonterritoire.ca-briepicardie.fr 2 2025-10-28 2026-09-29 ok
pp-jaimemonterritoire.ca-briepicardie.fr 2 2025-10-28 2026-09-29 ok
psd2-api.ca-briepicardie.fr 2 2025-10-06 2026-09-08 ok
entreprises.ca-briepicardie.fr 2 2025-09-01 2026-08-11 ok
tousambassadeurs.ca-briepicardie.fr 2 2026-09-18 2026-09-18 nxdomain
administrateurs.ca-briepicardie.fr 1 2025-09-30 2025-09-30 ok
contacts.ca-briepicardie.fr 4 2026-05-30 2026-10-02 ok
events.ca-briepicardie.fr 3 2026-06-24 2026-08-23 ok
email.events.ca-briepicardie.fr 3 2026-07-01 2026-08-30 ok
contact.ca-briepicardie.fr 4 2026-04-09 2026-08-07 ok
mjt.ca-briepicardie.fr 6 2026-04-28 2026-08-26 ok
infoclient.ca-briepicardie.fr 2 2025-08-11 2026-07-31 ok
hom-infoclient.ca-briepicardie.fr 3 2025-07-15 2026-07-06 ok
recrutement.ca-briepicardie.fr 10 2026-04-28 2026-09-24 ok
www.ca-briepicardie.fr 1 2025-11-20 2025-11-20 ok

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