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.

13 hosts · 231 ms

HostCertsFirst seenLast seenDNS
ikea.se 13 2026-05-19 2026-09-28 ok
*.ikea.se 1 2026-09-28 2026-09-28 —
mta-sts.meeting.email.ikea.se 1 2026-03-30 2026-03-30 nxdomain
mta-sts.business.email.ikea.se 1 2026-02-01 2026-02-01 ok
cloud.news.email.ikea.se 1 2026-05-18 2026-05-18 ok
data.e.news.email.ikea.se 2 2026-06-29 2026-06-29 ok
cdn.e.news.email.ikea.se 29 2026-06-26 2026-07-16 ok
image.news.email.ikea.se 2 2026-02-02 2026-04-20 ok
click.news.email.ikea.se 1 2026-05-17 2026-05-17 ok
view.news.email.ikea.se 2 2026-04-27 2026-09-28 ok
go.ikea.se 4 2026-06-04 2026-08-02 ok
mta-sts.ikea.se 1 2026-02-02 2026-02-02 ok
www.ikea.se 8 2026-04-12 2026-08-09 ok

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