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.

4 hosts · 336 ms

HostCertsFirst seenLast seenDNS
cloud.news.shiseidoeurope.com 1 2025-11-03 2025-11-03 servfail
image.news.shiseidoeurope.com 3 2025-11-12 2026-09-06 ok
click.news.shiseidoeurope.com 1 2025-11-03 2025-11-03 ok
view.news.shiseidoeurope.com 1 2025-11-03 2025-11-03 ok

Programmatic access, with DNS A records: API GET /v1/hosts/news.shiseidoeurope.com (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/news.shiseidoeurope.com.