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.

5 hosts · 233 ms

HostCertsFirst seenLast seen
matacapital.com 17 2025-12-02 2026-09-17
*.matacapital.com 8 2025-12-02 2026-09-17
bimi.matacapital.com 5 2026-06-02 2026-09-30
assets-admin.matacapital.com 5 2026-06-02 2026-09-30
www.matacapital.com 8 2026-05-03 2026-08-29

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