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.

6 hosts · 244 ms

Download CSV
HostCertsFirst seenLast seen
privat.com 19 2026-04-21 2026-09-17
*.privat.com 7 2026-04-21 2026-09-17
gitlab.privat.com 5 2026-05-28 2026-09-28
auth.privat.com 10 2026-04-26 2026-08-22
es.privat.com 12 2026-05-16 2026-09-12
www.privat.com 10 2026-05-11 2026-08-12

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