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.

58 hosts · 351 ms

HostCertsFirst seenLast seenDNS
businessfrance.fr 5 2025-11-18 2026-08-19 ok
*.businessfrance.fr 1 2025-11-18 2025-11-18 —
horizon01.businessfrance.fr 5 2026-05-12 2026-09-09 ok
invest1.businessfrance.fr 9 2026-04-20 2026-09-17 ok
www2.businessfrance.fr 10 2026-04-27 2026-09-23 ok
exchange05.businessfrance.fr 2 2025-07-18 2026-07-29 nxdomain
exchange06.businessfrance.fr 2 2025-07-18 2026-07-29 nxdomain
mwc2019.businessfrance.fr 4 2026-06-09 2026-10-06 ok
media.businessfrance.fr 3 2026-06-26 2026-08-24 ok
en.media.businessfrance.fr 3 2026-06-26 2026-08-24 ok
mon-vie-via.businessfrance.fr 1 2025-11-19 2025-11-19 ok
mon-espaceperso-vie-via.businessfrance.fr 1 2025-11-28 2025-11-28 ok
se.vie-via.businessfrance.fr 11 2026-05-05 2026-09-03 ok
mta-sts.vie-via.businessfrance.fr 1 2026-01-19 2026-01-19 ok
btob.businessfrance.fr 5 2026-05-02 2026-08-30 ok
world.businessfrance.fr 2 2025-07-17 2026-01-30 ok
se.world.businessfrance.fr 7 2026-05-30 2026-09-28 ok
www.world.businessfrance.fr 1 2026-01-30 2026-01-30 nxdomain
sap-prod.businessfrance.fr 1 2025-10-24 2025-10-24 ok
marketplace.businessfrance.fr 4 2026-04-15 2026-08-13 ok
mcstaging2.marketplace.businessfrance.fr 5 2026-05-01 2026-08-29 ok
mcprod.marketplace.businessfrance.fr 4 2026-04-15 2026-08-13 ok
mcstaging.marketplace.businessfrance.fr 5 2026-04-22 2026-08-20 ok
www.marketplace.businessfrance.fr 4 2026-04-15 2026-08-13 ok
vie.businessfrance.fr 5 2026-05-11 2026-09-09 ok
e-vie.businessfrance.fr 1 2025-11-28 2025-11-28 ok
monespace-vie.businessfrance.fr 1 2025-11-28 2025-11-28 ok
welcome.businessfrance.fr 2 2026-03-02 2026-09-11 ok
preprod-welcome.businessfrance.fr 2 2026-03-02 2026-09-11 ok
www.preprod-welcome.businessfrance.fr 2 2026-03-02 2026-09-11 nxdomain
www.welcome.businessfrance.fr 3 2026-03-02 2026-09-11 ok
se.businessfrance.fr 7 2026-05-23 2026-09-21 ok
compte.businessfrance.fr 3 2026-03-09 2026-08-20 ok
mediatheque.businessfrance.fr 5 2026-05-09 2026-09-26 ok
industrie-cleantech.businessfrance.fr 5 2026-05-12 2026-09-11 ok
www.industrie-cleantech.businessfrance.fr 5 2026-05-12 2026-09-11 ok
integration-vi.businessfrance.fr 5 2026-04-30 2026-08-29 ok
mta-sts.mail.businessfrance.fr 1 2026-01-19 2026-01-19 ok
webmail.businessfrance.fr 2 2025-07-18 2026-07-29 ok
proao.businessfrance.fr 2 2025-06-26 2026-07-28 ok
api-proao.businessfrance.fr 2 2025-06-26 2026-07-28 ok
admin-proao.businessfrance.fr 2 2025-06-26 2026-07-28 ok
api-admin-proao.businessfrance.fr 2 2025-06-26 2026-07-28 ok
mta-sts.info.businessfrance.fr 1 2025-12-18 2025-12-18 ok
autodiscover.businessfrance.fr 2 2025-07-18 2026-07-29 ok
francevins.businessfrance.fr 3 2026-03-08 2026-08-19 ok
parcours.businessfrance.fr 1 2026-09-10 2026-09-10 ok
se.news.businessfrance.fr 7 2026-05-21 2026-09-18 ok
click.news.businessfrance.fr 5 2026-04-22 2026-08-20 ok
mta-sts.news.businessfrance.fr 1 2026-01-19 2026-01-19 ok
connect.businessfrance.fr 4 2026-05-06 2026-08-21 ok
event.businessfrance.fr 4 2026-04-20 2026-08-18 ok
mta-sts.int.businessfrance.fr 1 2026-01-16 2026-01-16 ok
events-export.businessfrance.fr 5 2025-07-17 2026-08-17 ok
logotest.businessfrance.fr 1 2026-05-09 2026-05-09 ok
invest.businessfrance.fr 4 2026-03-08 2026-08-19 ok
www.businessfrance.fr 1 2025-12-12 2025-12-12 ok
helpy.businessfrance.fr 3 2026-03-26 2026-09-06 ok

Programmatic access, with DNS A records: API GET /v1/hosts/businessfrance.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/businessfrance.fr.