Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts, first/last seen and live DNS status.

7 hosts · 315 ms

HostCertsFirst seenLast seenDNS
wilderness.co.nz 13 2026-02-18 2026-08-20 ok
*.wilderness.co.nz 1 2026-02-18 2026-02-18 —
pages.wilderness.co.nz 10 2026-04-24 2026-08-19 ok
bookings.wilderness.co.nz 6 2026-05-03 2026-09-01 ok
reviews.wilderness.co.nz 6 2026-05-18 2026-09-07 ok
hubspot.wilderness.co.nz 8 2026-04-25 2026-08-19 ok
www.wilderness.co.nz 12 2026-04-23 2026-08-19 ok

Programmatic access, with DNS A records: API GET /v1/hosts/wilderness.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/wilderness.co.nz.