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.

13 hosts · 344 ms

HostCertsFirst seenLast seenDNS
cnr.gob.cl 4 2025-09-02 2026-07-07 nodata
*.cnr.gob.cl 4 2025-09-02 2026-07-07 —
reportesutic.cnr.gob.cl 3 2026-05-17 2026-09-04 ok
blog.cnr.gob.cl 3 2026-04-17 2026-06-08 nxdomain
changelog.cnr.gob.cl 3 2026-05-23 2026-09-09 ok
api.cnr.gob.cl 4 2026-05-25 2026-09-15 ok
cursoiadedp.cnr.gob.cl 2 2026-06-03 2026-06-03 nxdomain
carpetascompartidas.cnr.gob.cl 3 2026-04-30 2026-08-15 ok
archivoshistoricos.cnr.gob.cl 3 2026-05-05 2026-08-21 ok
datos.cnr.gob.cl 3 2026-05-22 2026-09-06 ok
cnrstatus.cnr.gob.cl 5 2026-04-28 2026-08-26 ok
homeassistant.cnr.gob.cl 5 2026-05-26 2026-10-05 ok
trust.cnr.gob.cl 8 2026-05-09 2026-09-04 ok

Programmatic access, with DNS A records: API GET /v1/hosts/cnr.gob.cl (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/cnr.gob.cl.