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 · 205 ms

HostCertsFirst seenLast seen
kinvey.com 1 2025-07-10 2025-07-10
*.kinvey.com 1 2025-07-10 2025-07-10
go.kinvey.com 42 2026-04-14 2026-06-23
resources.kinvey.com 21 2026-04-14 2026-06-23
www.kinvey.com 42 2026-04-14 2026-06-23

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