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 · 534 ms

HostCertsFirst seenLast seenDNS
ca-alsace-vosges.fr 6 2025-08-01 2026-07-21 ok
kiosqueca.ca-alsace-vosges.fr 1 2026-02-02 2026-02-02 ok
pp.kiosqueca.ca-alsace-vosges.fr 1 2026-02-23 2026-02-23 ok
mta.ca-alsace-vosges.fr 8 2026-05-01 2026-09-30 ok
espace.ca-alsace-vosges.fr 1 2025-11-19 2025-11-19 ok
psd2-api.ca-alsace-vosges.fr 3 2025-09-22 2026-08-31 ok
info.ca-alsace-vosges.fr 7 2026-04-17 2026-10-03 ok
eye.info.ca-alsace-vosges.fr 11 2026-04-17 2026-10-03 ok
img.info.ca-alsace-vosges.fr 11 2026-04-17 2026-10-03 ok
click.info.ca-alsace-vosges.fr 8 2026-04-29 2026-09-28 ok
landings.info.ca-alsace-vosges.fr 11 2026-04-17 2026-10-03 ok
forms.info.ca-alsace-vosges.fr 11 2026-04-17 2026-10-03 ok
entreprises.ca-alsace-vosges.fr 2 2025-08-01 2026-07-06 ok
administrateurs.ca-alsace-vosges.fr 1 2025-08-01 2025-08-01 nxdomain
mjt.ca-alsace-vosges.fr 4 2026-04-08 2026-08-06 ok
infoclient.ca-alsace-vosges.fr 1 2026-05-26 2026-05-26 ok
hom-infoclient.ca-alsace-vosges.fr 1 2026-05-26 2026-05-26 ok
recrutement.ca-alsace-vosges.fr 10 2026-04-28 2026-09-24 ok
www.ca-alsace-vosges.fr 2 2025-08-01 2026-07-21 ok

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