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.

25 hosts · 358 ms

HostCertsFirst seenLast seenDNS
ca-franchecomte.fr 4 2025-11-10 2026-05-24 ok
rdv2.ca-franchecomte.fr 5 2026-05-04 2026-09-02 ok
mta.ca-franchecomte.fr 8 2026-05-04 2026-10-03 ok
mutattitude.ca-franchecomte.fr 6 2025-12-17 2026-09-16 ok
app.mutattitude.ca-franchecomte.fr 3 2025-10-06 2026-09-24 ok
bref.ca-franchecomte.fr 1 2026-02-12 2026-02-12 nxdomain
pp-bref.ca-franchecomte.fr 1 2026-01-13 2026-01-13 nxdomain
psd2-api.ca-franchecomte.fr 2 2025-10-06 2026-09-08 ok
fondation.ca-franchecomte.fr 9 2026-04-17 2026-08-13 ok
info.ca-franchecomte.fr 2 2025-10-28 2025-12-22 nxdomain
jeunes.ca-franchecomte.fr 1 2025-12-23 2025-12-23 ok
maquette.societaires.ca-franchecomte.fr 5 2026-05-18 2026-09-21 ok
entreprises.ca-franchecomte.fr 2 2025-12-22 2026-05-26 ok
administrateurs.ca-franchecomte.fr 2 2025-08-27 2026-08-11 ok
clients.ca-franchecomte.fr 3 2026-03-30 2026-09-09 ok
pre-clients.ca-franchecomte.fr 1 2026-04-29 2026-04-29 ok
ws.ca-franchecomte.fr 5 2026-05-04 2026-09-07 ok
mjt.ca-franchecomte.fr 5 2026-05-20 2026-09-23 ok
infoclient.ca-franchecomte.fr 3 2025-07-15 2026-07-06 ok
hom-infoclient.ca-franchecomte.fr 3 2025-07-15 2026-07-06 ok
recrutement.ca-franchecomte.fr 10 2026-04-29 2026-09-24 ok
regard-dexpert.ca-franchecomte.fr 3 2026-03-18 2026-09-29 ok
www.regard-dexpert.ca-franchecomte.fr 3 2026-03-18 2026-09-29 ok
rdv.ca-franchecomte.fr 6 2026-05-05 2026-09-03 ok
www.ca-franchecomte.fr 2 2025-11-10 2025-11-19 ok

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