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 · 241 ms

HostCertsFirst seenLast seen
dkms-asia.com 10 2026-05-09 2026-09-07
www-release.dkms-asia.com 1 2025-12-01 2025-12-01
video.dkms-asia.com 2 2026-03-12 2026-07-28
www-test.dkms-asia.com 1 2025-12-02 2025-12-02
www.dkms-asia.com 1 2025-12-02 2025-12-02

Programmatic access: API GET /v1/hosts/dkms-asia.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/dkms-asia.com.