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.

20 hosts · 207 ms

HostCertsFirst seenLast seen
kyotobank.co.jp 3 2025-08-04 2026-08-17
dabnweb1-pc.kyotobank.co.jp 2 2026-08-17 2026-08-17
habnweb1-pc.kyotobank.co.jp 2 2026-09-07 2026-09-07
hosyokyokai-online.kyotobank.co.jp 1 2026-05-13 2026-05-13
loan-pf.kyotobank.co.jp 3 2025-09-02 2026-09-09
www.bk.loan-pf.kyotobank.co.jp 3 2025-09-02 2026-09-09
www.loan-pf.kyotobank.co.jp 3 2025-09-02 2026-09-09
search.kyotobank.co.jp 2 2025-08-25 2026-09-07
www.search.kyotobank.co.jp 1 2025-08-25 2025-08-25
toushin-mail.kyotobank.co.jp 1 2025-12-25 2025-12-25
*.toushin-mail.kyotobank.co.jp 1 2025-12-23 2025-12-23
www.toushin-mail.kyotobank.co.jp 1 2025-12-25 2025-12-25
elcon.kyotobank.co.jp 1 2026-01-04 2026-01-04
dabnweb1-sp.kyotobank.co.jp 3 2026-08-17 2026-09-07
habnweb1-sp.kyotobank.co.jp 1 2026-09-07 2026-09-07
faq.kyotobank.co.jp 2 2025-06-16 2026-07-01
wr.kyotobank.co.jp 1 2026-03-03 2026-03-03
aptest.kyotobank.co.jp 1 2026-01-01 2026-01-01
www.kyotobank.co.jp 3 2025-08-04 2026-08-17
mx.kyotobank.co.jp 1 2026-01-20 2026-01-20

Programmatic access: API GET /v1/hosts/kyotobank.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/kyotobank.co.jp.