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.

89 hosts · 382 ms

HostCertsFirst seenLast seenDNS
assurance-maladie.fr 5 2025-10-24 2026-09-21 ok
*.assurance-maladie.fr 1 2025-11-06 2025-11-06 —
smtp-in-01.assurance-maladie.fr 1 2026-01-26 2026-01-26 ok
preprod.smtp-in-01.assurance-maladie.fr 1 2026-01-19 2026-01-19 ok
vpnsia1.assurance-maladie.fr 1 2025-11-07 2025-11-07 ok
oos1.assurance-maladie.fr 1 2025-11-10 2025-11-10 ok
smtpagt1.assurance-maladie.fr 3 2025-10-13 2026-09-21 ok
preprod.smtpagt1.assurance-maladie.fr 2 2025-10-13 2026-09-03 ok
smtp-in-02.assurance-maladie.fr 1 2026-01-26 2026-01-26 ok
preprod.smtp-in-02.assurance-maladie.fr 1 2026-01-19 2026-01-19 ok
vpnsia2.assurance-maladie.fr 1 2025-11-07 2025-11-07 ok
oos2.assurance-maladie.fr 1 2025-11-10 2025-11-10 ok
smtpagt2.assurance-maladie.fr 3 2025-10-13 2026-09-21 ok
preprod.smtpagt2.assurance-maladie.fr 2 2025-10-13 2026-09-03 ok
72.tosca.assurance-maladie.fr 5 2026-05-14 2026-09-14 ok
65.tosca.assurance-maladie.fr 5 2026-05-14 2026-09-14 ok
77.tosca.assurance-maladie.fr 5 2026-05-14 2026-09-14 ok
vpnsia.assurance-maladie.fr 1 2025-11-07 2025-11-07 ok
vpn01.rina.assurance-maladie.fr 1 2025-12-23 2025-12-23 nodata
vn01.rina.assurance-maladie.fr 2 2025-10-16 2025-10-16 nodata
collaboratif.assurance-maladie.fr 1 2025-11-06 2025-11-06 ok
rpp02-rina.osi.assurance-maladie.fr 1 2025-12-23 2025-12-23 nodata
rpp03-rina.osi.assurance-maladie.fr 1 2025-12-23 2025-12-23 nodata
rapport-annuel.assurance-maladie.fr 3 2025-10-24 2026-09-21 ok
liam.assurance-maladie.fr 1 2025-11-13 2025-11-13 ok
a-liam.assurance-maladie.fr 1 2025-11-13 2025-11-13 ok
iframe.liam.assurance-maladie.fr 1 2025-11-13 2025-11-13 ok
smtp-in.assurance-maladie.fr 1 2026-01-26 2026-01-26 ok
preprod.smtp-in.assurance-maladie.fr 1 2026-01-19 2026-01-19 ok
bfc.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.bfc.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.bfc.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
normandie.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.normandie.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.normandie.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
bretagne.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.bretagne.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.bretagne.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
auvergne.info.assurance-maladie.fr 4 2026-04-12 2026-08-11 ok
f.auvergne.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.auvergne.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
nouvelleaquitaine.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.nouvelleaquitaine.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.nouvelleaquitaine.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
pays-loire.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.pays-loire.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.pays-loire.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
martinique.info.assurance-maladie.fr 5 2026-05-18 2026-09-16 ok
f.martinique.info.assurance-maladie.fr 5 2026-05-18 2026-09-16 ok
s.martinique.info.assurance-maladie.fr 5 2026-05-18 2026-09-16 ok
eye.info.assurance-maladie.fr 9 2026-04-12 2026-09-29 ok
hdf.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.hdf.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.hdf.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
idf.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.idf.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.idf.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
img.info.assurance-maladie.fr 9 2026-04-12 2026-09-29 ok
trk.info.assurance-maladie.fr 4 2026-04-15 2026-09-05 ok
cvl.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.cvl.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.cvl.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
languedoc.roussillon.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.languedoc.roussillon.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.languedoc.roussillon.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
mp.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.mp.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.mp.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
rhonealpes.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.rhonealpes.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.rhonealpes.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
3minutesentreprises.info.assurance-maladie.fr 5 2026-04-22 2026-08-20 ok
f.3minutesentreprises.info.assurance-maladie.fr 5 2026-04-22 2026-08-20 ok
s.3minutesentreprises.info.assurance-maladie.fr 5 2026-04-22 2026-08-20 ok
landings.info.assurance-maladie.fr 9 2026-04-12 2026-09-29 ok
forms.info.assurance-maladie.fr 9 2026-04-12 2026-09-29 servfail
t.info.assurance-maladie.fr 5 2026-06-01 2026-09-29 ok
grandest.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.grandest.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.grandest.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
sudest.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
f.sudest.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
s.sudest.info.assurance-maladie.fr 4 2026-04-12 2026-08-10 ok
brandcenter.assurance-maladie.fr 3 2025-10-27 2026-09-29 ok
backoffice-brandcenter.assurance-maladie.fr 4 2025-10-27 2026-09-29 ok
oos.assurance-maladie.fr 1 2025-11-10 2025-11-10 ok
smtpagt.assurance-maladie.fr 3 2025-10-13 2026-09-21 nodata
preprod.smtpagt.assurance-maladie.fr 2 2025-10-13 2026-09-03 nodata
www.assurance-maladie.fr 3 2025-10-24 2026-09-21 ok

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