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.

8 hosts · 267 ms

HostCertsFirst seenLast seenDNS
iwatebank.co.jp 5 2025-10-10 2026-07-23 nodata
stg.iwatebank.co.jp 1 2025-12-15 2025-12-15 ok
form.iwatebank.co.jp 1 2026-02-04 2026-02-04 ok
raiten.iwatebank.co.jp 6 2025-10-10 2026-07-23 ok
faq.iwatebank.co.jp 1 2025-11-26 2025-11-26 ok
point.iwatebank.co.jp 1 2026-10-01 2026-10-01 nodata
raitentest.iwatebank.co.jp 1 2025-12-15 2025-12-15 ok
www.iwatebank.co.jp 6 2025-10-10 2026-07-23 ok

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