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.

18 hosts · 202 ms

HostCertsFirst seenLast seen
morecon.jp 9 2025-10-14 2026-09-14
*.morecon.jp 9 2025-10-14 2026-09-14
meitong2.morecon.jp 2 2025-09-26 2026-08-27
image.smc.morecon.jp 1 2025-12-31 2025-12-31
*.backend.morecon.jp 2 2025-10-14 2026-09-14
guide.morecon.jp 14 2026-04-16 2026-08-12
manage.morecon.jp 1 2025-11-20 2025-11-20
*.manage.morecon.jp 1 2025-11-20 2025-11-20
api.manage.morecon.jp 1 2026-01-23 2026-01-23
live.morecon.jp 4 2026-05-21 2026-09-18
meitong.morecon.jp 2 2025-09-26 2026-08-27
i.morecon.jp 5 2026-05-16 2026-09-14
*.teikibin.morecon.jp 1 2026-02-28 2026-02-28
live-admin.morecon.jp 4 2026-05-21 2026-09-18
function.morecon.jp 2 2025-08-25 2026-07-26
lp.morecon.jp 4 2026-04-24 2026-10-06
r.morecon.jp 1 2026-08-14 2026-08-14
*.payment.morecon.jp 2 2026-02-28 2026-07-16

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