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.

8 hosts · 332 ms

HostCertsFirst seenLast seen
spaworld.co.nz 4 2026-04-18 2026-08-16
*.spaworld.co.nz 4 2026-04-18 2026-08-16
stock.spaworld.co.nz 5 2026-04-22 2026-08-26
shop.spaworld.co.nz 7 2026-05-26 2026-09-21
saunapamper.spaworld.co.nz 6 2026-04-28 2026-08-24
services.spaworld.co.nz 8 2026-05-08 2026-09-03
forms.spaworld.co.nz 28 2026-05-02 2026-10-07
dealers.spaworld.co.nz 5 2026-04-28 2026-08-26

Programmatic access: API GET /v1/hosts/spaworld.co.nz (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/spaworld.co.nz.