Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

18 hosts · 246 ms

HostCertsFirst seenLast seen
ekwateur.fr 24 2025-07-09 2026-08-17
*.ekwateur.fr 29 2025-07-09 2026-09-07
api-ec.ekwateur.fr 8 2026-05-11 2026-09-06
aide.ekwateur.fr 2 2025-07-08 2026-06-08
estimation-chauffage.ekwateur.fr 17 2026-05-27 2026-09-22
estimation-borne-recharge.ekwateur.fr 22 2026-05-01 2026-08-27
solaire.ekwateur.fr 8 2026-05-05 2026-08-31
laboutique.ekwateur.fr 20 2026-05-21 2026-09-29
kiosqueaservices.laboutique.ekwateur.fr 15 2026-05-31 2026-10-09
custom-quoting.ekwateur.fr 3 2026-10-06 2026-10-06
luh.ekwateur.fr 3 2026-04-17 2026-06-16
link.ekwateur.fr 7 2026-05-08 2026-10-07
img.email.ekwateur.fr 8 2026-05-07 2026-09-02
r.email.ekwateur.fr 4 2026-05-07 2026-07-25
app-narco.ekwateur.fr 40 2026-04-29 2026-09-06
img.emails.ekwateur.fr 8 2026-05-07 2026-09-02
r.emails.ekwateur.fr 3 2026-05-15 2026-08-03
livewatt.ekwateur.fr 3 2026-06-16 2026-08-17

Programmatic access: API GET /v1/hosts/ekwateur.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/ekwateur.fr.