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.

15 hosts · 290 ms

HostCertsFirst seenLast seen
ciee.org.br 3 2025-09-22 2026-09-28
*.ciee.org.br 9 2025-06-30 2026-09-28
cofrepii.gameciee-prd.ciee.org.br 1 2026-08-04 2026-08-04
www.treinamentojornadaciee.ciee.org.br 3 2025-10-14 2026-09-14
www.uniciee.ciee.org.br 1 2026-01-08 2026-01-08
zendesk.ciee.org.br 5 2026-05-30 2026-09-27
www.portal.ciee.org.br 2 2025-08-17 2026-07-18
www.sabervirtual.ciee.org.br 2 2026-03-08 2026-07-24
cdn.ciee.org.br 3 2025-07-22 2026-08-17
www.expo.ciee.org.br 2 2025-06-30 2026-05-31
*.escolas.ciee.org.br 2 2025-09-21 2026-01-12
smartoffices.ciee.org.br 1 2025-09-23 2025-09-23
www.smartoffices.ciee.org.br 1 2025-09-23 2025-09-23
backend.gameciee-dev.ciee.org.br 1 2026-08-04 2026-08-04
cofrepii.gameciee-dev.ciee.org.br 1 2026-08-04 2026-08-04

Programmatic access: API GET /v1/hosts/ciee.org.br (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/ciee.org.br.