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.

40 hosts · 600 ms

HostCertsFirst seenLast seenDNS
fen.uchile.cl 30 2025-09-24 2026-09-15 ok
*.fen.uchile.cl 23 2025-09-24 2026-07-03 —
admin.plantafisica.fen.uchile.cl 1 2026-04-07 2026-04-07 nxdomain
admin.mirada.fen.uchile.cl 5 2026-05-13 2026-09-06 ok
admin.multimedia.fen.uchile.cl 5 2026-05-13 2026-09-06 ok
academia.fen.uchile.cl 13 2026-05-25 2026-09-22 ok
ciberseguridad.fen.uchile.cl 5 2026-04-08 2026-09-20 ok
api.pagosonlinesee.fen.uchile.cl 7 2026-04-29 2026-09-05 ok
admin.pagosonlinesee.fen.uchile.cl 7 2026-04-21 2026-09-06 ok
admin.parking.fen.uchile.cl 2 2026-07-08 2026-07-08 nxdomain
admin.alumni.fen.uchile.cl 3 2026-07-06 2026-09-05 ok
evento.alumni.fen.uchile.cl 6 2026-04-13 2026-09-06 ok
admin.evento.alumni.fen.uchile.cl 6 2026-04-13 2026-09-05 ok
www.alumni.fen.uchile.cl 6 2026-04-07 2026-09-06 ok
www.ferialaboral.fen.uchile.cl 5 2026-05-13 2026-09-07 ok
nexolaboral.fen.uchile.cl 5 2026-04-29 2026-08-27 ok
www.nexolaboral.fen.uchile.cl 5 2026-04-29 2026-08-27 ok
admin.gpm.fen.uchile.cl 5 2026-05-24 2026-09-05 ok
admin.investigacion.fen.uchile.cl 7 2026-04-25 2026-09-06 ok
sga-vpn.fen.uchile.cl 3 2026-08-27 2026-08-27 ok
cavpn.fen.uchile.cl 5 2026-04-22 2026-10-01 ok
www.inversionesdeimpacto.fen.uchile.cl 5 2026-05-26 2026-09-07 ok
admin.pagosias.fen.uchile.cl 5 2026-05-13 2026-09-06 ok
backend.ayudantias.fen.uchile.cl 6 2026-04-07 2026-09-06 ok
canvas.fen.uchile.cl 5 2026-04-27 2026-08-25 ok
admin.postulacionbeneficiosestudiantiles.fen.uchile.cl 5 2026-05-13 2026-09-06 ok
admin.comunicaciones.fen.uchile.cl 6 2026-04-15 2026-09-05 ok
admin.donaciones.fen.uchile.cl 7 2026-04-25 2026-09-05 ok
admin.pagoproveedores.fen.uchile.cl 5 2026-05-29 2026-09-06 ok
admin.secretariaestudios.fen.uchile.cl 7 2026-04-25 2026-09-06 ok
practicasytrabajos.fen.uchile.cl 5 2026-05-31 2026-09-29 ok
www.practicasytrabajos.fen.uchile.cl 5 2026-05-31 2026-09-29 ok
admin.eventos.fen.uchile.cl 7 2026-04-21 2026-09-05 ok
corporativos.fen.uchile.cl 13 2026-05-21 2026-09-16 ok
www.corporativos.fen.uchile.cl 10 2026-05-21 2026-09-17 ok
mta-sts.fen.uchile.cl 1 2026-09-25 2026-09-25 ok
news.ddt.fen.uchile.cl 2 2026-04-26 2026-04-26 ok
admin.intranet.fen.uchile.cl 7 2026-04-21 2026-09-05 ok
admin.pagosciosummit.fen.uchile.cl 2 2026-05-22 2026-05-22 nxdomain
few.fen.uchile.cl 3 2026-07-07 2026-09-06 ok

Programmatic access, with DNS A records: API GET /v1/hosts/fen.uchile.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/fen.uchile.cl.