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.

12 hosts · 269 ms

HostCertsFirst seenLast seen
uneo.fr 5 2025-10-16 2026-08-19
*.uneo.fr 1 2025-10-16 2025-10-16
elections2026.uneo.fr 3 2026-06-22 2026-09-11
vote-elections2026.uneo.fr 4 2026-05-12 2026-07-31
www.vote-elections2026.uneo.fr 4 2026-05-12 2026-07-31
www.elections2026.uneo.fr 3 2026-06-22 2026-09-11
preprod-collectif.uneo.fr 5 2026-05-11 2026-09-08
tr.collectif.uneo.fr 5 2026-05-22 2026-09-19
m.uneo.fr 5 2026-05-20 2026-09-17
tr.relation.uneo.fr 5 2026-05-19 2026-09-16
tr.solution.uneo.fr 5 2026-05-19 2026-09-16
www.uneo.fr 4 2026-03-08 2026-08-19

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