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.

7 hosts · 257 ms

HostCertsFirst seenLast seenDNS
ikea.com.tr 1 2026-06-03 2026-06-03 ok
*.ikea.com.tr 1 2026-06-03 2026-06-03 —
planner.ppe.ikea.com.tr 7 2026-06-01 2026-09-27 ok
planner.cte.ikea.com.tr 6 2026-05-05 2026-08-31 ok
helpdesk.ikea.com.tr 9 2026-06-04 2026-10-02 ok
planner.ikea.com.tr 9 2026-06-04 2026-09-30 ok
signals.ikea.com.tr 3 2026-05-25 2026-09-09 ok

Programmatic access, with DNS A records: API GET /v1/hosts/ikea.com.tr (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/ikea.com.tr.