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.

3 hosts · 289 ms

Download CSV
HostCertsFirst seenLast seen
kingsley-wood.com 11 2026-05-26 2026-10-14
*.kingsley-wood.com 8 2026-05-26 2026-10-14
www.kingsley-wood.com 5 2026-07-02 2026-07-30

Programmatic access: API GET /v1/hosts/kingsley-wood.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/kingsley-wood.com.