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.

14 hosts · 254 ms

HostCertsFirst seenLast seenDNS
ikea.nl 11 2026-05-20 2026-09-28 ok
*.ikea.nl 1 2026-09-28 2026-09-28 —
image.e.ikea.nl 3 2025-09-24 2025-12-31 ok
mijnkleding.ikea.nl 4 2026-04-13 2026-08-12 ok
tracking.ikea.nl 3 2026-05-25 2026-10-07 ok
cloud.news.email.ikea.nl 3 2026-03-19 2026-08-24 ok
data.e.news.email.ikea.nl 2 2026-07-13 2026-07-13 ok
cdn.e.news.email.ikea.nl 11 2026-07-09 2026-07-16 ok
image.news.email.ikea.nl 2 2026-02-02 2026-04-20 ok
click.news.email.ikea.nl 3 2026-03-19 2026-08-20 ok
view.news.email.ikea.nl 3 2026-03-19 2026-08-20 ok
go.ikea.nl 8 2026-06-04 2026-08-02 ok
services.ikea.nl 3 2026-05-25 2026-10-07 ok
www.ikea.nl 10 2026-04-13 2026-08-09 ok

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