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.

4 hosts · 197 ms

HostCertsFirst seenLast seen
cloud.email.mercedes-benz.dk 2 2026-04-30 2026-10-01
image.email.mercedes-benz.dk 2 2026-01-06 2026-01-21
click.email.mercedes-benz.dk 3 2026-05-04 2026-10-05
view.email.mercedes-benz.dk 2 2026-04-30 2026-10-01

Programmatic access: API GET /v1/hosts/email.mercedes-benz.dk (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/email.mercedes-benz.dk.