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.

7 hosts · 292 ms

HostCertsFirst seenLast seenDNS
condenast.es 22 2025-10-01 2026-09-21 ok
*.condenast.es 22 2025-10-01 2026-09-21 —
tienda.condenast.es 13 2026-04-19 2026-10-01 ok
c.condenast.es 5 2025-12-29 2025-12-29 ok
qc.condenast.es 10 2025-09-23 2026-08-24 ok
adportal.condenast.es 7 2026-05-11 2026-08-29 ok
magazines.condenast.es 12 2026-04-30 2026-08-26 ok

Programmatic access, with DNS A records: API GET /v1/hosts/condenast.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/condenast.es.