Find every subdomain
of a domain.

Every hostname under a domain that ever appeared in a public TLS certificate — with certificate counts and first/last seen dates.

8 hosts · 183 ms

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HostCertsFirst seenLast seen
point.rakuten.co.jp 2 2026-06-01 2026-09-24
*.point.rakuten.co.jp 2 2026-06-01 2026-09-24
jhf-flat35.point.rakuten.co.jp 2 2026-07-20 2026-09-10
stable-jhf-flat35.point.rakuten.co.jp 4 2026-06-10 2026-10-11
stg-jhf-flat35.point.rakuten.co.jp 5 2026-04-22 2026-09-13
dev-jhf-flat35.point.rakuten.co.jp 1 2026-04-22 2026-04-22
sandbox-jhf-flat35.point.rakuten.co.jp 4 2026-04-22 2026-09-11
traffic-gate-redirect.point.rakuten.co.jp 5 2026-05-31 2026-09-28

Programmatic access: API GET /v1/hosts/point.rakuten.co.jp (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/point.rakuten.co.jp.