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.

3 hosts · 284 ms

HostCertsFirst seenLast seenDNS
marksandspencerschooluniform.gr 8 2026-04-28 2026-09-17 ok
*.marksandspencerschooluniform.gr 6 2026-05-19 2026-09-17 —
www.marksandspencerschooluniform.gr 2 2026-04-28 2026-04-28 ok

Programmatic access, with DNS A records: API GET /v1/hosts/marksandspencerschooluniform.gr (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/marksandspencerschooluniform.gr.