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 · 298 ms

HostCertsFirst seenLast seenDNS
ikea.it 9 2026-05-20 2026-09-28 ok
*.ikea.it 1 2026-09-28 2026-09-28 —
cloud.news.email.ikea.it 1 2026-05-11 2026-05-11 ok
data.e.news.email.ikea.it 2 2026-06-28 2026-06-28 ok
cdn.e.news.email.ikea.it 27 2026-06-26 2026-07-16 ok
image.news.email.ikea.it 2 2026-02-02 2026-04-20 ok
click.news.email.ikea.it 1 2026-05-11 2026-05-11 ok
view.news.email.ikea.it 1 2026-05-11 2026-05-11 ok
go.ikea.it 8 2026-06-05 2026-08-03 ok
cartaregalo.ikea.it 1 2025-12-02 2025-12-02 ok
www.cartaregalo.ikea.it 1 2025-12-02 2025-12-02 nxdomain
www.ikea.it 10 2026-04-13 2026-08-10 ok

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