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.

5 hosts · 211 ms

Download CSV
HostCertsFirst seenLast seen
ccapi.prod.spiritdc.net.au 1 2026-05-08 2026-05-08
webmail.spiritdc.net.au 1 2026-03-27 2026-03-27
ibp.spiritdc.net.au 1 2025-10-31 2025-10-31
AutoDiscover.spiritdc.net.au 1 2026-03-27 2026-03-27
ccapi.test.spiritdc.net.au 1 2026-01-06 2026-01-06

Programmatic access: API GET /v1/hosts/spiritdc.net.au (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/spiritdc.net.au.