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 · 401 ms

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HostCertsFirst seenLast seen
autodata.co.uk 15 2025-12-04 2026-10-05
*.autodata.co.uk 8 2025-12-04 2026-10-05
web.autodata.co.uk 1 2026-01-07 2026-01-07
marketplace.autodata.co.uk 3 2025-10-06 2026-10-07
www.marketplace.autodata.co.uk 3 2025-10-06 2026-10-07
dns-intelligence.autodata.co.uk 9 2026-04-26 2026-10-14
blog.autodata.co.uk 4 2026-04-24 2026-04-24
link.autodata.co.uk 1 2026-01-07 2026-01-07
social.autodata.co.uk 5 2026-05-21 2026-09-30
portal.autodata.co.uk 1 2025-11-28 2025-11-28
*.portal.autodata.co.uk 1 2025-11-28 2025-11-28
webinar.autodata.co.uk 9 2026-04-23 2026-10-14
simulated-phishing-assessment.autodata.co.uk 13 2026-04-24 2026-10-14
www.autodata.co.uk 6 2025-08-06 2026-09-28

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