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.

9 hosts · 310 ms

Download CSV
HostCertsFirst seenLast seen
naturalpatch.com 28 2026-04-24 2026-10-02
*.naturalpatch.com 10 2026-04-24 2026-09-22
ig.naturalpatch.com 15 2026-05-27 2026-10-07
trail.naturalpatch.com 5 2026-05-29 2026-09-26
hydrogen.naturalpatch.com 16 2026-04-23 2026-10-05
ws.naturalpatch.com 15 2026-05-27 2026-10-06
dev.naturalpatch.com 15 2026-05-23 2026-10-01
klyv.naturalpatch.com 12 2026-04-23 2026-08-19
www.naturalpatch.com 13 2026-05-22 2026-10-01

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