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.

6 hosts · 263 ms

HostCertsFirst seenLast seen
moises.app 12 2026-04-14 2026-10-07
*.moises.app 9 2026-04-14 2026-09-04
a.moises.app 18 2026-05-04 2026-08-30
hack-the-future.moises.app 2 2026-05-27 2026-07-20
openwebui.moises.app 2 2026-05-31 2026-07-27
go.moises.app 14 2026-05-04 2026-08-30

Programmatic access: API GET /v1/hosts/moises.app (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/moises.app.