Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

9 hosts · 288 ms

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HostCertsFirst seenLast seen
logicvapes.co.uk 28 2026-04-24 2026-10-12
*.logicvapes.co.uk 27 2026-04-24 2026-10-12
gcc.logicvapes.co.uk 4 2026-05-15 2026-07-14
backend-api.logicvapes.co.uk 2 2026-05-02 2026-05-02
frontend-api.logicvapes.co.uk 2 2026-05-02 2026-05-02
router-api.logicvapes.co.uk 2 2026-05-02 2026-05-02
email.logicvapes.co.uk 17 2026-06-05 2026-08-04
*.email.logicvapes.co.uk 14 2026-06-05 2026-08-04
www.logicvapes.co.uk 1 2026-07-07 2026-07-07

Programmatic access: API GET /v1/hosts/logicvapes.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/logicvapes.co.uk.