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.

6 hosts · 262 ms

HostCertsFirst seenLast seenDNS
mcveaghfleming.co.nz 8 2026-05-20 2026-09-15 ok
vpn.mcveaghfleming.co.nz 3 2025-09-02 2026-09-03 ok
www.vpn.mcveaghfleming.co.nz 3 2025-09-02 2026-09-03 nxdomain
mfdocs.mcveaghfleming.co.nz 3 2025-07-26 2026-07-28 nxdomain
www.mfdocs.mcveaghfleming.co.nz 3 2025-07-26 2026-07-28 nxdomain
www.mcveaghfleming.co.nz 12 2026-05-18 2026-09-13 ok

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