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 · 263 ms

HostCertsFirst seenLast seenDNS
ikea.hu 12 2026-05-19 2026-09-28 ok
*.ikea.hu 1 2026-09-28 2026-09-28 —
cloud.news.email.ikea.hu 2 2025-07-25 2026-07-12 ok
data.e.news.email.ikea.hu 2 2026-07-13 2026-07-13 ok
cdn.e.news.email.ikea.hu 15 2026-07-09 2026-07-16 ok
image.news.email.ikea.hu 3 2025-09-13 2026-08-28 ok
click.news.email.ikea.hu 2 2025-07-28 2026-07-18 ok
view.news.email.ikea.hu 2 2025-07-28 2026-07-15 ok
go.ikea.hu 6 2026-06-05 2026-08-03 ok
www.ikea.hu 8 2026-04-13 2026-08-09 ok
industry.ikea.hu 3 2026-06-07 2026-08-06 ok
www.industry.ikea.hu 3 2026-06-07 2026-08-06 ok

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