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.

14 hosts · 305 ms

HostCertsFirst seenLast seenDNS
sanitasteescucha.es 2 2026-06-01 2026-06-01 nodata
api-snit-seg-sania.sanitasteescucha.es 3 2026-05-15 2026-08-15 ok
eye.sanitasteescucha.es 6 2026-05-26 2026-09-23 ok
img.sanitasteescucha.es 6 2026-05-26 2026-09-23 ok
mirror-stg-emailing.sanitasteescucha.es 3 2026-05-21 2026-10-02 ok
on-trak.sanitasteescucha.es 7 2026-04-10 2026-09-25 ok
legal.sanitasteescucha.es 4 2026-01-08 2026-08-18 ok
img.m.sanitasteescucha.es 16 2026-04-22 2026-08-18 ok
r.m.sanitasteescucha.es 4 2026-05-04 2026-07-23 ok
s.sanitasteescucha.es 5 2026-05-16 2026-09-14 ok
landings.sanitasteescucha.es 6 2026-05-26 2026-09-23 ok
forms.sanitasteescucha.es 6 2026-05-26 2026-09-23 ok
www.sanitasteescucha.es 4 2026-01-16 2026-08-18 ok
survey.sanitasteescucha.es 2 2026-02-26 2026-07-06 ok

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