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.

14 hosts · 274 ms

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HostCertsFirst seenLast seen
praetura.co.uk 5 2025-07-29 2026-09-29
*.praetura.co.uk 2 2025-07-29 2026-06-26
url5320.mail-qa.praetura.co.uk 2 2026-10-12 2026-10-12
landing.praetura.co.uk 11 2026-06-01 2026-09-27
openbanking.praetura.co.uk 2 2026-09-25 2026-09-25
qa-openbanking.praetura.co.uk 1 2026-09-22 2026-09-22
url7150.mail.praetura.co.uk 2 2026-10-13 2026-10-13
investors.praetura.co.uk 2 2025-11-27 2026-07-15
secrets.praetura.co.uk 5 2026-06-05 2026-10-02
mta-sts.praetura.co.uk 4 2026-04-12 2026-08-24
reportandsupport.praetura.co.uk 2 2025-07-05 2026-06-05
www.praetura.co.uk 1 2026-09-29 2026-09-29
identity.praetura.co.uk 2 2026-09-25 2026-09-25
qa-identity.praetura.co.uk 1 2026-09-22 2026-09-22

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