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 · 233 ms

HostCertsFirst seenLast seen
leave.kaneka.vn 3 2026-06-12 2026-08-12
lunch.kaneka.vn 3 2026-06-12 2026-08-12
demo.kaneka.vn 5 2026-05-27 2026-08-12

Programmatic access: API GET /v1/hosts/kaneka.vn (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/kaneka.vn.