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.

9 hosts · 219 ms

Download CSV
HostCertsFirst seenLast seen
legislate.tech 15 2026-05-10 2026-10-15
*.legislate.tech 15 2026-05-10 2026-10-15
backend.legislate.tech 3 2026-05-22 2026-09-06
backoffice.legislate.tech 7 2026-05-31 2026-09-25
of.legislate.tech 5 2026-05-30 2026-09-27
rdfoxapi.legislate.tech 3 2026-06-13 2026-10-03
app.legislate.tech 6 2026-05-25 2026-09-20
payments.legislate.tech 3 2026-05-17 2026-09-03
www.legislate.tech 12 2026-05-23 2026-09-18

Programmatic access: API GET /v1/hosts/legislate.tech (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/legislate.tech.