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.

14 hosts · 283 ms

HostCertsFirst seenLast seen
grupocidar.com 7 2026-05-05 2026-09-08
ca.grupocidar.com 2 2026-04-23 2026-04-23
www.ca.grupocidar.com 2 2026-04-23 2026-04-23
dev-cotizadorcab.grupocidar.com 5 2026-05-13 2026-09-10
siniestros-staging.grupocidar.com 1 2026-09-20 2026-09-20
plesk.grupocidar.com 4 2026-04-23 2026-06-22
www.plesk.grupocidar.com 2 2026-04-23 2026-04-23
dev-crm.grupocidar.com 2 2026-05-11 2026-05-11
sso.grupocidar.com 2 2026-04-22 2026-04-22
www.sso.grupocidar.com 2 2026-04-22 2026-04-22
contacto.grupocidar.com 6 2026-04-13 2026-09-08
evento.grupocidar.com 11 2026-04-26 2026-09-08
dev-fianzas.grupocidar.com 3 2026-08-31 2026-09-01
www.grupocidar.com 2 2026-05-05 2026-05-05

Programmatic access: API GET /v1/hosts/grupocidar.com (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/grupocidar.com.