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.

12 hosts · 225 ms

HostCertsFirst seenLast seen
localvyntage.com 13 2026-05-15 2026-09-28
admin.prod.localvyntage.com 10 2026-04-20 2026-08-16
admin.staging.localvyntage.com 10 2026-04-21 2026-08-18
admin.localvyntage.com 2 2025-09-03 2026-08-03
api.admin.localvyntage.com 2 2025-09-03 2026-08-03
customer.localvyntage.com 7 2026-04-21 2026-09-01
admin.test.localvyntage.com 2 2025-09-03 2026-08-03
api.admin.test.localvyntage.com 2 2025-09-03 2026-08-03
admin.dev.localvyntage.com 2 2025-09-03 2026-08-03
api.admin.dev.localvyntage.com 2 2025-09-03 2026-08-03
lv.localvyntage.com 4 2026-04-20 2026-08-16
www.localvyntage.com 15 2026-05-16 2026-09-24

Programmatic access: API GET /v1/hosts/localvyntage.com (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/localvyntage.com.