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.

11 hosts · 426 ms

HostCertsFirst seenLast seenDNS
fxpro.co.uk 10 2026-04-25 2026-09-18 ok
*.fxpro.co.uk 10 2026-04-25 2026-09-18 —
b2c.fxpro.co.uk 14 2026-02-01 2026-08-25 ok
b2c.edge.fxpro.co.uk 12 2026-02-05 2026-09-06 ok
promo.fxpro.co.uk 12 2026-04-25 2026-08-28 ok
b2c.promo.fxpro.co.uk 16 2026-02-01 2026-08-25 ok
ct.fxpro.co.uk 3 2025-09-18 2026-09-19 ok
id-ct.fxpro.co.uk 1 2025-12-01 2025-12-01 ok
direct.fxpro.co.uk 20 2026-04-24 2026-08-20 ok
b2c.direct.fxpro.co.uk 14 2026-02-01 2026-08-26 ok
www.fxpro.co.uk 12 2026-05-24 2026-09-20 ok

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