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.

11 hosts · 249 ms

HostCertsFirst seenLast seen
cubavera.com 13 2026-05-17 2026-09-27
trk.e.cubavera.com 10 2026-06-03 2026-09-30
sms.e.cubavera.com 10 2026-05-14 2026-09-10
ss3.zone.cubavera.com 4 2026-07-20 2026-09-18
email.cubavera.com 6 2026-05-14 2026-09-26
licensees.cubavera.com 4 2026-05-31 2026-09-16
lt-links.cubavera.com 8 2026-04-20 2026-08-16
returns.cubavera.com 10 2026-05-16 2026-09-11
account.cubavera.com 15 2026-04-19 2026-10-01
support.cubavera.com 3 2026-04-29 2026-09-29
www.cubavera.com 16 2026-05-18 2026-09-26

Programmatic access: API GET /v1/hosts/cubavera.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/cubavera.com.