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 · 253 ms

HostCertsFirst seenLast seen
creema.jp 30 2025-08-24 2026-09-18
*.creema.jp 30 2025-08-24 2026-09-18
grafana.creema.jp 5 2026-06-04 2026-10-02
static.creema.jp 3 2025-10-16 2026-09-15
id.creema.jp 1 2025-12-20 2025-12-20
alb.id.creema.jp 1 2025-12-21 2025-12-21
admin.id.creema.jp 1 2025-12-20 2025-12-20
*.internal.creema.jp 3 2025-06-17 2026-05-31
webap.internal.creema.jp 3 2026-03-26 2026-08-26
*.system.creema.jp 1 2025-11-14 2025-11-14
admin.creema.jp 2 2025-07-25 2026-06-24
lp.creema.jp 8 2026-04-25 2026-10-02
event.lp.creema.jp 4 2026-05-30 2026-09-17
help.creema.jp 2 2025-09-17 2026-08-18
r.creema.jp 5 2026-04-22 2026-09-07
ptr.creema.jp 10 2026-05-03 2026-09-30
id-res.creema.jp 1 2025-12-28 2025-12-28
www.creema.jp 2 2025-07-30 2026-06-29
zabbix.creema.jp 4 2026-04-20 2026-08-18

Programmatic access: API GET /v1/hosts/creema.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/creema.jp.