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.

4 hosts · 210 ms

HostCertsFirst seenLast seen
cloud.comunicacion.axa.es 5 2025-10-03 2026-10-06
image.comunicacion.axa.es 3 2025-09-24 2026-01-05
click.comunicacion.axa.es 4 2025-10-03 2026-10-06
view.comunicacion.axa.es 3 2025-10-06 2026-10-05

Programmatic access: API GET /v1/hosts/comunicacion.axa.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/comunicacion.axa.es.