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.

12 hosts · 236 ms

HostCertsFirst seenLast seenDNS
ikea.be 10 2026-05-19 2026-09-28 ok
*.ikea.be 1 2026-09-28 2026-09-28 —
mylook.ikea.be 5 2026-04-22 2026-08-21 ok
cloud.news.email.ikea.be 3 2026-03-19 2026-08-20 ok
data.e.news.email.ikea.be 2 2026-07-10 2026-07-10 ok
cdn.e.news.email.ikea.be 18 2026-07-09 2026-07-16 ok
image.news.email.ikea.be 1 2026-04-20 2026-04-20 ok
image.loyalty.email.ikea.be 1 2025-10-08 2025-10-08 ok
kitchen-form.ikea.be 4 2026-03-02 2026-07-20 ok
go.ikea.be 8 2026-06-04 2026-08-02 ok
press.ikea.be 17 2026-05-07 2026-10-01 ok
www.ikea.be 6 2026-04-13 2026-08-09 ok

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