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.

19 hosts · 207 ms

HostCertsFirst seenLast seen
vdi2.jp-bank.jp 3 2025-09-16 2026-09-04
bus.vdi2.jp-bank.jp 1 2025-10-24 2025-10-24
vdi.jp-bank.jp 3 2025-09-16 2026-09-04
bwvsh010.vdi.jp-bank.jp 3 2025-09-16 2026-09-04
bwvsh110.vdi.jp-bank.jp 2 2026-02-20 2026-06-19
bwvsh210.vdi.jp-bank.jp 2 2026-02-20 2026-06-19
bwvsh310.vdi.jp-bank.jp 2 2026-02-20 2026-06-19
bus.vdi.jp-bank.jp 1 2025-10-24 2025-10-24
jpbkk.local.jp-bank.jp 1 2025-11-05 2025-11-05
JH001LB000.jikohoukoku.local.jp-bank.jp 1 2025-12-01 2025-12-01
information-system.jp-bank.jp 4 2025-09-16 2026-09-28
bus.information-system.jp-bank.jp 2 2025-09-16 2026-09-04
www2.saiken.jp-bank.jp 1 2025-12-22 2025-12-22
www.saiken.jp-bank.jp 1 2025-10-16 2025-10-16
qeas0u011.yucho.eigyouten.jp-bank.jp 1 2025-11-17 2025-11-17
qwas0u011.yucho.eigyouten.jp-bank.jp 1 2025-11-17 2025-11-17
jpnproxy.yucho.eigyouten.jp-bank.jp 1 2025-11-17 2025-11-17
bwws102a.yucho.jyohou.jp-bank.jp 4 2025-09-16 2026-09-28
bwws102b.yucho.jyohou.jp-bank.jp 4 2025-09-16 2026-09-28

Programmatic access: API GET /v1/hosts/jp-bank.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/jp-bank.jp.