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.

21 hosts · 337 ms

HostCertsFirst seenLast seenDNS
ikea.com.tw 1 2025-10-20 2025-10-20 ok
*.ikea.com.tw 1 2025-10-20 2025-10-20 —
owa.ikea.com.tw 1 2025-10-20 2025-10-20 nxdomain
publications-ext-preprod.ikea.com.tw 1 2025-12-11 2025-12-11 nodata
planner.ppe.ikea.com.tw 6 2026-04-28 2026-08-24 ok
planner.cte.ikea.com.tw 8 2026-05-05 2026-08-31 ok
mail.ikea.com.tw 1 2025-10-20 2025-10-20 nxdomain
publications-en.ikea.com.tw 2 2026-04-02 2026-09-02 ok
planner.ikea.com.tw 17 2026-06-05 2026-10-01 ok
autodiscover.ikea.com.tw 1 2025-10-20 2025-10-20 ok
foodonline-tas.ikea.com.tw 1 2026-04-14 2026-04-14 nxdomain
foodonline-hcs.ikea.com.tw 1 2026-04-14 2026-04-14 nxdomain
foodonline-xds.ikea.com.tw 1 2026-04-14 2026-04-14 —
foodonline-khs.ikea.com.tw 1 2026-04-19 2026-04-19 nxdomain
foodonline-nhs.ikea.com.tw 1 2026-04-14 2026-04-14 nxdomain
sms.ikea.com.tw 2 2025-06-10 2026-05-11 ok
publications.ikea.com.tw 1 2025-12-09 2025-12-09 ok
foodonline-tys.ikea.com.tw 1 2026-04-14 2026-04-14 nxdomain
publications-test.ikea.com.tw 1 2025-12-10 2025-12-10 ok
publications-ext.ikea.com.tw 1 2025-12-11 2025-12-11 nodata
www.ikea.com.tw 1 2025-10-20 2025-10-20 ok

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