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.

4 hosts · 302 ms

HostCertsFirst seenLast seenDNS
meritonsuites.com.au 8 2025-06-08 2026-08-16 ok
*.meritonsuites.com.au 8 2025-06-08 2026-08-16 —
help.meritonsuites.com.au 1 2026-08-25 2026-08-25 ok
reservations.meritonsuites.com.au 32 2026-04-09 2026-10-01 ok

Programmatic access, with DNS A records: API GET /v1/hosts/meritonsuites.com.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/meritonsuites.com.au.