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.

32 hosts · 291 ms

HostCertsFirst seenLast seenDNS
hirose-fx.co.jp 6 2025-11-17 2026-07-22 ok
*.hirose-fx.co.jp 1 2025-11-17 2025-11-17 —
fx.stg-lioncub.hirose-fx.co.jp 2 2026-03-09 2026-09-10 ok
fx.lioncub.hirose-fx.co.jp 2 2026-03-09 2026-09-10 ok
ade.hirose-fx.co.jp 3 2026-04-27 2026-09-27 ok
trade-ranking.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
stg-trade-ranking.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
stg.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
www.stg.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
owl.hirose-fx.co.jp 3 2026-03-05 2026-10-05 ok
stg-owl.hirose-fx.co.jp 3 2026-03-05 2026-10-05 ok
demo-owl.hirose-fx.co.jp 2 2026-03-05 2026-10-05 ok
form.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
stg.form.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
trade-ranking-icon.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
stg-trade-ranking-icon.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
push-notification.hirose-fx.co.jp 2 2025-07-11 2026-07-14 ok
stg-push-notification.hirose-fx.co.jp 2 2025-07-02 2026-07-06 ok
stg2-registration.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
faq.hirose-fx.co.jp 1 2026-01-13 2026-01-13 ok
register.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
non-contractor.hirose-fx.co.jp 2 2025-07-11 2026-07-14 ok
stg-non-contractor.hirose-fx.co.jp 2 2025-07-11 2026-07-14 ok
api01.stg-non-contractor.hirose-fx.co.jp 1 2026-05-01 2026-05-01 ok
api01.non-contractor.hirose-fx.co.jp 1 2026-05-25 2026-05-25 ok
www.hirose-fx.co.jp 4 2026-03-04 2026-07-22 ok
lionfx.hirose-fx.co.jp 2 2025-07-11 2026-07-14 ok
stg-lionfx.hirose-fx.co.jp 1 2025-12-04 2025-12-04 ok
api01.stg-lionfx.hirose-fx.co.jp 1 2026-05-01 2026-05-01 ok
demo-lionfx.hirose-fx.co.jp 2 2025-07-11 2026-07-14 ok
api01.demo-lionfx.hirose-fx.co.jp 1 2026-05-25 2026-05-25 ok
api01.lionfx.hirose-fx.co.jp 1 2026-05-25 2026-05-25 ok

Programmatic access, with DNS A records: API GET /v1/hosts/hirose-fx.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/hirose-fx.co.jp.