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.

14 hosts · 312 ms

HostCertsFirst seenLast seenDNS
ashikagabank.co.jp 1 2026-01-26 2026-01-26 nodata
usergram001.ashikagabank.co.jp 1 2025-10-21 2025-10-21 ok
cloud.ma.ashikagabank.co.jp 3 2025-09-10 2026-09-05 ok
image.ma.ashikagabank.co.jp 5 2025-09-17 2026-10-05 ok
click.ma.ashikagabank.co.jp 3 2025-09-10 2026-09-06 ok
view.ma.ashikagabank.co.jp 3 2025-09-10 2026-09-06 ok
visitor-service.ashikagabank.co.jp 2 2026-03-15 2026-08-15 ok
im.ashikagabank.co.jp 1 2025-11-13 2025-11-13 ok
loan.ashikagabank.co.jp 3 2025-06-18 2026-07-10 ok
tloan.ashikagabank.co.jp 3 2025-06-18 2026-07-10 ok
tags.ashikagabank.co.jp 2 2026-03-12 2026-07-28 ok
collect.ashikagabank.co.jp 2 2026-03-15 2026-08-15 ok
www.ashikagabank.co.jp 2 2026-01-26 2026-02-25 ok
story.ashikagabank.co.jp 1 2026-02-06 2026-02-06 ok

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