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.

6 hosts · 210 ms

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HostCertsFirst seenLast seen
ereceta-contingencia.chipcard-salud.es 2 2025-07-29 2026-06-12
nodofarmaclientback-contingencia.chipcard-salud.es 2 2025-07-29 2026-06-12
adminsfh.chipcard-salud.es 2 2026-03-12 2026-07-13
hospitales.chipcard-salud.es 2 2026-03-04 2026-07-13
tvs.chipcard-salud.es 2 2026-03-04 2026-07-13
www.chipcard-salud.es 2 2025-07-29 2026-06-12

Programmatic access: API GET /v1/hosts/chipcard-salud.es (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/chipcard-salud.es.