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 · 228 ms

HostCertsFirst seenLast seen
forsters.ae 10 2026-04-30 2026-09-29
*.forsters.ae 10 2026-04-30 2026-09-29
mta-sts.forsters.ae 1 2026-01-21 2026-01-21

Programmatic access: API GET /v1/hosts/forsters.ae (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/forsters.ae.