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.

12 hosts · 423 ms

HostCertsFirst seenLast seenDNS
parkleisure.co.uk 30 2026-04-22 2026-09-20 ok
*.parkleisure.co.uk 24 2026-03-05 2026-09-20 —
bimi.parkleisure.co.uk 8 2026-06-11 2026-08-09 ok
*.bimi.parkleisure.co.uk 8 2026-06-11 2026-08-09 —
stock.parkleisure.co.uk 2 2026-04-15 2026-08-07 ok
ep.parkleisure.co.uk 2 2025-11-02 2025-11-02 nxdomain
www.ep.parkleisure.co.uk 2 2025-11-02 2025-11-02 nxdomain
sms.parkleisure.co.uk 6 2026-03-26 2026-09-25 ok
owners.parkleisure.co.uk 2 2026-03-04 2026-07-20 ok
assets.parkleisure.co.uk 2 2025-07-19 2026-06-19 ok
www.parkleisure.co.uk 1 2026-01-05 2026-01-05 ok
my.parkleisure.co.uk 2 2026-03-10 2026-07-26 ok

Programmatic access, with DNS A records: API GET /v1/hosts/parkleisure.co.uk (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/parkleisure.co.uk.